flush threshold and an uninterrupted transition from your home’s interior to the great outdoors, you’re not alone. 5 holes through holes in threshold into bracket and. 8 (O ption 2) AS4654. ACO Hexdrain 3m Garage Channel Drainage with Plastic Grate Pack. Our builder didn’t sound massively keen on the idea and said that there are sometime complications so he wouldn’t. Jul 28, 2018 - Discover (and save!) your own Pins on Pinterest. Protection of flooring from water ingress across a flush door threshold. Low profile external drainage system designed to fit on top of the slab. Building Systems. Its highly adjustable hardware and rollers allow it to be as flexible and functional as possible. PUBLIC SPACES PUBLIC PEDESTRIAN AREAS Employing drainage products that are made from non-toxic, non-oxidising and durable. An important feature is the EPDM membrane that sits directly below your sliding door system and collects the water from the drainage holes in the door track. Flush Threshold Drain for Doors. Three reasons to fall in love with flush thresholds. The custom quad rollers are fully adjustable and run on a replaceable, 316 stainless steel insert track. James Harley, Head of Innovation at Origin Global, explores the difference between a weathered threshold and a non-weathered threshold and reveals the key to getting a flush. Each door manufacturer has differently designed doors, requiring customised drainage solutions that specifically suit the sill used on each project. com. 1. 1) To achieve a completely smooth and. Doors have been tested for compliance with the relevant Australian Standards. How to prevent water ingress on sliding doors iq technical what do if is leaking through your patio door can i from coming in my glass intrusion a flush threshold drain for as350 drainage channel bi fold and understanding why leak construction specifier upvc window frame fix the ประต กระจก ท อ. Mar 16, 2017 - Discover (and save!) your own Pins on Pinterest. Then, your finished floor inside of your home will be able to line up with the top of the threshold to create a seamless transition from inside to. Next, you’ll have to install fixtures and a shower panel. POA. See more ideas about door thresholds, patio doors, architecture details. £45. But when you set the threshold lower, it’s important to allow the rainwater falling down the doors to drain away. Winner Red Dot Design Award Germany. Flush threshold drains are used in doorways to create a level transition between indoor and outdoor spaces. 4 Structural steel members. All aluminium systems are. In this case, the leading edge of the threshold sill should be rounded or chamfered to assist the transition for wheelchair users. 120mm wide x 35mm Deep. Compatible with the full range of Vantage® and Elevate™ sliding and bi-fold doors, the advantages of the AWS FlowTHRU™ include. Aquabocci threshold drain systems include a side entry and membrane to drain the water from the door track into the threshold drain allowing you to create a flush threshold drain. Cut to any length for custom installation. One is for the doors. Townsville Windows & Screens +61 7 4409 2261; Products ProductsFlush thresholds blend seamlessly into the floor without creating a visual break or divide between the interior and the exterior. Big Doors. Threshold Drain Product Selector – Threshold Drain Description Length (mm) Internal width (mm) Overall Width (mm) Invert Depth (mm) Overall Height (mm) Weight (kg) Cat No Drain Assembly 1200 – 40 50 128 1. x 42 in. Explore. Sand the threshold to make it smooth and apply a coat of sealer to prevent water damage. EPDM Membrane sits directly below the door track providing absolute drainage. Sloped Sill Pan for Vinyl Sliding door and Window Installation and Flashing. uk. This would be installed just outside the door. In short, threshold drains collect the water from the door track to allow the exterior floor finish to be flush with the interior floor finish. 80m. Therefore it is entirely possible to achieve a flush floor finish with a sliding door. The narrow profile minimises impact on design, allowing seamless integration between internal and external areas; perfect for creating seamlessly combined indoor/outdoor spaces. Choose the right sliding door: Not all sliding door systems allow you to create a flush threshold. Hinged shower doors shall open outward. Increasingly popular in commercial and residential building projects, a flush threshold is the must-have component of today’s architectural design. Three reasons to fall in love with flush thresholds. From £794. Raised door sills are often only 44-50mm high. We did exactly as @Oz07 suggests, works a treat. The minimum recommended size is 42-inches by 42-inches. They eliminate barriers between you, nature and the big, blue sky. Flush Threshold Drain for Doors. Download . Flush Track, see Frame Condition 4 (pg. The Official Aquabocci Online Store. With this type of door being so popular, particularly in Europe, ACO has developed a level threshold drainage. Call 1300 560 933. Call 1300 560 933. Mill. Series 704FBR is a high performance, bottom rolling sliding door with a recessed sill, head and jambs. £240. They eliminate barriers between you,. Australia's Leading Range of Thermally Broken Aluminium Windows and Doors. FlowTHRU Drainage; AWS Trickle Vent; Screening; Residential Series; ComfortEDGE™ Series; Designer Series;. Slimline domestic level threshold door drainage . Low thresholds sit at around 25-50mm and they don’t have the upstand or lip protecting the door from wind and rain. 1. Stormtech offers guidance on floor waste compliance for linear drainage. The issue is that flush threshold assemblies are poorly weathertight and you will get water ingress if there's high rain/wind. 1. From contemporary homes to heritage properties, a stylish solution - be it our R-47 flush threshold drain or something more - exists. A threshold drain is a linear drain that prevents the build-up of water in door tracks or under door sills. Backyard Drainage. View Product Brooklyn 32 in. Flush threshold drain for doors iq glass detail sliding door home building in vancouver understanding thresholds aspire bifolds improvements surrey benefits of vantage aws australia ramps to easily cross all types a wheelchair low aluminium marlin windows yorkshire check out our newest fitting häfele slido classic 40 i 80 120 set without. Stormtech Threshold. As a professional bath & kitchen. Neo-angle corner shower kit designed with clean, modern lines and chic hardware. Sliding French Doors. Love these windows. They eliminate barriers between you, nature and the big, blue sky. . See more ideas about architecture details, patio doors, sliding door track. £125. Most exterior doors come with a built-in drainage system, using slots and holes in the bottom of the door’s threshold to ensure excess water runs off and stays outside your home. Doors & Windows. Three reasons to fall in love with flush thresholds. ICON™ MIRO™ Truth™ Complementary; FlowTHRU Drainage; AWS Trickle Vent; Screening; Designer ThermalHEART™. 4600 Corredera Elevable HI RPT. HI, I would like to add a 5m run of aluminum sliding doors to the back of my extension. The global market for bi fold doors was estimated to be worth nearly $10bn in 2016 and is expected to reach $14bn in 2023, growing around 5. Add to basket. The FlowTHRU™ integrated threshold drainage solution addresses these issues allowing the doors to drain into a recessed stainless steel trough and catering for water runoff. On the exterior side of the threshold, install either a linear shower drain or pool deck drain across the entire door opening. Bifold doors are a very popular choice when helping to create an indoor-outdoor living space as they can open entire walls of the home. The supporting structure is made of columns and continuous beams of laminated wood. 1. ACO Threshold Drain channel and corner unit in CorTen finish are brand new to the ACO range. Tiles for zero threshold showers are usually longer and heavier and might be more expensive to install. Why Choose A Slot Drain System ? A threshold slot drain, which is one that sits level or just below level to the floor, can’t only be used in with sliding or bi-fold doors It also delivers a wide range of practical benefits. Non rebated thresholds for your bifolding doors. 4 Jul 2021. See more ideas about house exterior, house design, patio doors. We partnered with AWS to design a drainage system that’s specifically designed and tested to suit AWS doors. Building Systems. Cons: While it is possible to add a door across the threshold of a curbless shower, most people leave these showers open, which often results in shower spray leaving the shower and heat loss since the steam is not. However, you will need to consider the threshold detail at the . Feb 26, 2017 - Discover (and save!) your own Pins on Pinterest. Linear channel at doorway threshold. All aluminium systems are. The inside is 15mm higher and is meant to be flush with the internal floor. As rainwater comes down your doors it needs to move effectively away and not pool on the track or threshold. In Stock. 2% per year from 2017 to 2023 (source: Allied Market Research). Flush Threshold Drain for Doors. No subsill is usually used on this threshold, so these doors should be suitably under cover. A threshold drain is a linear drain that prevents against a build-up of water in door tracks or under door sills. Fast assembly fitting system with internal & external corner pieces. A level entry threshold is not required by NCC Volume Two; however, the DTS Provisions require a step-up to prevent. X 36 in. Flush threshold drain. How water drains away from large patio doors is even more important where you want a flush threshold with a level floor inside and a similar level to your outside decking or slabs. The minimum required area and dimension shall be measured from the finished interior dimension at a height equal to the top of the threshold and at a point tangent to its centerline and shall be continued to a height of not less than 70 inches (1778 mm) above the shower drain outlet. 00 incl VAT. 1. Series 831 Bi-Fold Door ; Series 832 Bi-Fold Door; Series 852H Hinged Door; Series 852S Sliding Door; For Homes;. When the auto-complete results are available, use the up and down arrows to review and Enter to select. They prevent water and debris from entering while allowing for seamless accessibility. access points, or flush against the floor. With the development of the Aquabocci R-47 flush. EPDM Membrane sits directly below the door track providing absolute drainage. • The only fully tested threshold. As a minimum you get the following threshold choices: Origin Bifolding Doors with a weathered and non-weathered threshold. However, integrating a low profile threshold drain means that you can avoid the step down to the external spaces for a level surface. Store Finder. Door sill drains into stainless steel trough. Exterior Silver Aluminum and Hardwood Door Threshold. Drainage Grates. Face drainage – this is when the door is flush with the flooring outside and the water enters a lower chamber of the track and leaves through a capped hole on. 1. We are planning the detailing for our sliding doors. [email protected] door threshold and drainage on an Origin Bi-fold Door helps to create a sleek and stylish finish while also protecting the home from the elements and ensuring water does not start pooling. As rainwater comes down your doors it needs to move effectively away and not pool on the track or threshold. When fitting a new door sill (upvc / 150mm) and pre-hung doorset (upvc frame with a low-level aluminium threshold), which of the following would be ‘standard/best practice’. 8 options 1 and 2). Three reasons to fall in love with flush thresholds. Climaloc Door Sweep, 36", White. FlowTHRU™ is an integrated threshold drainage solution, designed to offer a practical solution for applications where a flush sill threshold is required. The drainage channel A flush threshold patio door is a sliding door system which offers a base detail with no step or level change. The threshold including door frame should not be more than 15mm in height overall. Part 3. The aluminium framing of the patio door is built into the floor structure so that the top of the sliding rail and base. A standard piece of drain section with a slot width of 1 1/4” has a flow rate of 33 GPM (gallons per minute) or. A Bifolding door threshold is an upstand that is designed. But what if you're fitting it to something longer, such as a bifold or patio door. When you invest in a premium set of sliding or bifolding doors, you also expect premium solutions for water capture and drainage. An ingenious drainage solution from AWS. Once or twice a year, make sure the drainage holes are clear and remove all dirt. Three reasons to fall in love with flush thresholds. Elevate sliding door and bi-fold door systems where a flush sill is desired. 1. FlowTHRU Drainage; AWS Trickle Vent;. It is available for 2, 3 and multi-rail doors. 01634 567500. $89. A curbless shower design does not have a raised lip or “curb” when you enter the enclosure or stall. onnects flawlessly with the drainage base of IQ’s Sliding Glass Doors Applications For use with flush threshold framing systems such as sliding doors and pivoting doors. 1. Cut threshold drain to any length for custom installation. Before you go about reattaching the door threshold, clean the area around it. x 36 in. Alternative splayed sill delivers the highest water performance and incorporates a slight (7ₒ )_slope in the threshold. 2. With this type of door being so popular, particularly in Europe, ACO has developed a level threshold drainage. 1. ACO Doorway Drain Channel Threshold Drainage System - 1m. Flush Threshold Drain For Doors Iq Glass. Compared to no drainage or other drainage systems used over the years, Heelguard Threshold Drainage can amplify the aesthetics of any property drastically without hurting the pocket. A30 Low Profile 120mm wide / 35mm deep. 2. The threshold is only 60mm wide and sits flush to the door for maximum discretion, allowing water to be drained away quickly and efficiently. 00 incl VAT. It also allows for greater volumes of water to be collected and safely dispersed into your main drain system. Increasingly popular in commercial and residential building projects, a flush threshold is the must-have component of today’s architectural design. 100 mph winds can blow water up several inches against walls and doors. Single Doors - These heavy glass shower doors are typically the only glass element on a shower enclosure, with tile on the remaining 3 sides, and are perfect for a stand-in shower in a smaller space. Kason® 77 SafeGuard® Rolling Radial Latch with Strike (Light Spring, Polished Chrome) #50777l00004c. All external profiles are made of aluminum and the threshold profile of fiberglass. g. The low or flush threshold comes with these doors but check with the supplier for drainage of water. Folding Doors. A threshold is what you step across when you enter a room. What you & your builder need to know. ACO Threshold Drain comes complete with either a silver or black aluminium, CorTen steel or stainless steel Heelguard grating suitable for pedestrian traffic. Shop. However, when studying the New Zealand Building Code, specifically E2/AS1 External Moisture 7. 4 Timber and composite wall cladding. AQUABOCCI R-47 X BLADE FLUSH THRESHOLD DRAIN. We have a coarse gravel French drain all around the house, around 100mm wide to over 300m wide in places. Patio Door Water Drainage. But often, builders don’t think about the sill pan until they’re installing the door. These doors come with a Flush Threshold Drainage system, which allows effective water. GET 10% OFF. If you have a place to drain the water to it might work. Flush Threshold Drain for Doors. Aquabocci Channel and Strip Drain systems available in 4 low profiles and 4 colours. Compatible with the full range of Vantage® and Elevate™ sliding and bi-fold doors, the advantages of the AWS FlowTHRU™ include. 704FBR (Flush Bottom-Rolling) SlideMASTER™ Stacker Door. Door Threshold Drains; R-47 Threshold Drain R-47 X Blade Threshold Drain R-47 Low Profile. Contemporary Aluminium Windows and Doors for your lifestyle. With all three threshold pieces in place (and sloping toward the outside), measure up 1⁄2 in. ACO DrainMat Threshold Door Drainage Black Rubber and Aluminium Mat More Options. Kason® 1901A Low Bay Walk-In Motion Sensor with Mounting Kit, 120V-277V. Which means not conforming to 150mm below DPC (which apparently is best practice , ie best case scenario) (or 75mm at worst - but bending the rules and still being ok’d) Again, which is ok where there’s doors (part M building regs - disabled access etc) but next to (ie adjacent) the door threshold there is usually exposed bricks. ZERO LEVEL (FLUSH) THRESHOLD. Our 72″, 80″, and 96″ kits come. Call 01535 603909. New or existing build. Sep 27, 2016 - Explore Robert Gore's board "Flush floor track" on Pinterest. View Details. As mentioned above, sliding doors and bi-fold doors naturally contain weep holes that need to drain into a drainage channel low profile. Complete Pack, can help protect your investment against water intrusion and mold. Outside House Decor. 2% per year from 2017 to 2023 (source: Allied Market Research). How water drains to the outside is one of the crucial design features when planning a flush threshold on patio doors. Aluminum Clad : Traditional Clad - Folding Outswing (4 11/16", 8" and 12" bottom rail. Whilst ACO Threshold channel drain has been built with long-life and. 3 level threshold, it becomes apparent there are some complex details if the external surface is created with. The section alongside the patio is around 100mm wide, and at the back door, where the paving comes right up to the door threshold level, we have an overhang on the stone of around. Threshold Drains. Frost King. Raised door sills are often only 44-50mm high. Hopefully the slab isn't too thick. £210. In fact my neighbour (in a symmetrically opposite house) had a patio installed in. Exterior. IQ Glass - Threshold Drainage Solutions More. S66 Slimline series 66mm wide / 43mm deep. 80m. Shop. Increasingly popular in commercial and residential building projects, a flush threshold is the must-have component of today’s architectural design. Many people like the standard look of the more visible bifolding door track. which may be constructed to be 'flush' with the internal floor in order to create a ' level threshold. Flush threshold sliding doors aren’t essential. What Is Threshold Drainage . We have been trying to get the patio to a similar level, but am resigned probably to the fact there is going to be a step down to accommodate the track and the cill. These apply to both weathered and non-weathered thresholds. Blade-T External slot 22mm wide / 48mm deep. Ensure the channel discharges to a drainage system or permeable field drain. Research to find the system which best suits your plans, from. Cills act as an extrusion and can help project and channel water away from the brickwork underneath the frame and aid drainage. If these holes become clogged, water may drain out or overflow into the bathroom. Increasingly popular in commercial and residential building projects, a flush threshold is the must-have component of today’s architectural design. Feb 21, 2020 - Explore glenn easley's board "flush threshold transitions" on Pinterest. Manufacturers make ready-made sill pans with proper slope and drainage that cost around $30. Three reasons to fall in love with flush thresholds. The standard threshold for Schuco bifolding doors has an up-stand on one side of 60 mm this when combined with a cill at 25 mm can be installed to give very little for you to step over while retaining maximum protection for your property. All New Design: the R-47 x Blade 32mm wide / 120mm deep. 5. Our system is fully adjustable, offering a seamless integration between our drain solution and your door. Two sill options are available, on-floor drainage sill and flush sill. 00 incl VAT. While glazed doors may initially seem like the ideal solution, as they can repel water, employing a threshold drain provides an additional layer of protection that can prove invaluable. Available with glass. With a range of accessories available from corner units to ø110mm vertical outlets, it is now possible to use as. At Aquabocci, we provide versatile drainage systems and a threshold drain. Showing 1 - 23 of 23 products. FlowTHRU Drainage; AWS Trickle Vent; Screening;. 00 incl VAT. 7 (7) Download . Here, we offer a range of solutions. The FlowTHRU™ integrated threshold drainage. For corner door heads, 8 anchorThe FlowTHRU™ drainage system offers a practical solution where a flush sill threshold is desired, with a non-elevated threshold to create a trip hazard. Water enters the lower chamber of the track and exits via a capped hole in the outer face. Backyard Patio. Cills. And that’s where the FlowTHRU™ from AWS comes into its own. Can be installed with Centor™ screening with no additional gap between door frame and Centor screen. Single Threshold Shower Base with Center Hidden Drain in Glossy WhiteACO Threshold channel drain is designed for use in domestic properties to eliminate any water from pooling at external doors. Cills. Outlets. 2. The standard base track for minimal windows ® offers a flush threshold. If your exterior doors are protected by porch roofs, you may think that sill pan flashing can be omitted. Most linear drains are designed to convey up to 40 litres of water per minute. Door sill drains into stainless steel trough. See more ideas about house exterior, house design, patio doors. Our OB-72 and slimline OB-49 aluminium Bi-fold Doors are entirely custom, able to fit into openings of any size and are available in a huge range of opening configurations. The Aqualevel system collects and redirects both surface and driven rain water away from your door system in a controlled fashion. 36 in. However, when considering this type of threshold, it is important to note that some areas need land drainage to be properly installed. Pair with the coordinating Ovation Curve curved barn-style door and wall surround, each sold separately, for a complete makeover. Should stormy weather visit you often, an Aquabocci system will ensure that the. When utilising our flush threshold grates, every drop of water is prevented from seeping into your interiors. Designed to meet 3⁄4" door threshold requirements for sliding doors, as referenced in ANSI A117. Drainage is critical element with this type of installation, as the water performance of sliding, hinged and bi-fold door systems is impacted when a flush sill is used. One is for the doors to sit on a standard. A flush door threshold means there is zero variation in the floor level between the interior and exterior of the building. Install an external landing with a fall ratio of between 1:40 and 1:60. Threshold. 1 Aluminium Blade grate 2 PVC channel 3 EPDM membrane “Drainage Technique” 4 Sections and component system R-47 Threshold Drainage System The open side entry point on the R-47 Threshold Drain allows the water to be carried from the. The hidden drainage channel can take up to 90 litres of water per minute and the exposed metal grille is anti-corrosive suitable for marine environments or in. Getting the ideal flush and low threshold is also essential for water drainage. Developed over 20 years ago as a requirement for special needs access, the threshold drain was originally designed to eliminate the ‘trip-and-slip’ hazards of stepdown partitions,. Why Choose A Slot Drain System ? A threshold slot drain, which is one that sits level or just below level to the floor, can’t only be used in with sliding or bi-fold doors It also delivers a wide range of practical benefits. There are many benefits to choosing flush threshold sliding doors, including: Improved Accessibility: Flush threshold sliding doors eliminate any tripping hazards, making it easier for people with mobility issues to move between indoor and outdoor spaces. Practicality. 00 incl VAT. Can be installed with Centor™ screening with no additional gap between door frame and Centor screen. Favorite. Creating a flush threshold drainage solution (step-free with no level changes) across the base of rear opening doors is a very popular requirement for modern architectural designs. Fast assembly fitting system with internal & external corner pieces. ICON™ MIRO™ Truth™ Complementary; FlowTHRU Drainage; AWS Trickle Vent; Screening; Designer ThermalHEART™. ICON™ MIRO™ Truth™ Complementary; FlowTHRU Drainage; AWS Trickle Vent; Screening; Designer ThermalHEART™. Download . All external profiles are made of aluminum and the threshold profile of fiberglass. Cut to any length for custom installation. 2. The door design and the drainage channel formed by your builder move water away from the front of your new patio doors. Raised door sills are often only 44-50mm high. IMPRESSIVE, FULLY INTEGRATED WATER DRAINAGE SOLUTION. Three reasons to fall in love with flush thresholds. Flush Threshold. The upper leading edge of the door threshold unit should be no higher than 15mm. KERDI-LINE linear drains add a touch of elegance, allowing for single-sloped floors and large-format tiles that carry through from the floor, right in to the shower or wet area of the bath. First Question is - I understand the cill has weep holes in bottom for water flow out from doors. patio at the edge where the flooring meets a doorway or building. "Because of the way a pivot opening works the opening door leaf sits within an outer frame with brush seals providing a tight weather seal around the sides and top," says. The flush threshold for bifolding or sliding doors. This can help open up the space, making a smaller bathroom look bigger. All external profiles are made of aluminum and the threshold profile of fiberglass. Natural light, fresh air and expansive views drawing the outside in can all be achieved in your home by the doors you choose. Download . Oct 15, 2020 - Explore Jamesnaughtondesign's board "Flush Threshold drainage details" on Pinterest. ACO StepDrain comes complete with a corrosion resistant 304 stainless steel Heelguard grating suitable for pedestrian traffic. £40. Door sill drains into stainless steel trough. forming a gutter (with a grill) between the door and the outside flooring would help that. SlimLine 48 in. Pivot Doors. Feb 13, 2017 - Discover (and save!) your own Pins on Pinterest. Type D - Wheelchair threshold option 1: This wheelchair threshold is designed to meet Australian requirements for the disabled. For as long as we can all remember traditional building regulations and chunky door systems have resulted in a 120mm - 150mm step down to your outdoor area. The drainage channel is located beneath the floor and the exterior drain tile for water infiltration. The up-stand acts as a full weather break stopping any wind or rain in its. 1. 24mm wide x 48mm Deep. 2 Figure 2. 00 incl VAT. Flush Threshold Drains; R-47 Threshold Drain. £245. Equitable Access Design. In response to evolving Australian architectural trends where homes enjoy an effortless transition between indoors and outdoors, the demand for products that feature a rebated sill for a ‘zero threshold’ installation has increased. The FlowTHRU™ integrated threshold drainage solution addresses these issues allowing the doors to drain into a recessed stainless steel trough and catering for water runoff. . Australia's Leading Range of Thermally Broken Aluminium Windows and Doors. Which means not conforming to 150mm below DPC (which apparently is best practice , ie best case scenario) (or 75mm at worst - but bending the rules and still being ok’d) Again, which is ok where there’s doors (part M building regs - disabled access etc) but next to (ie adjacent) the. Casement height is limited to 2. They also eliminate any step over, creating flow and ease of movement between the two spaces. An 85mm stub cill is also available. The Integrate Drainage System is an innovative breakthrough for providing flush sill thresholds with an effective drainage solution. An ingenious drainage solution from AWS. There’s no reason why most of these thresholds can’t be below the finished floor level. Notch gasket base around drain slots. The R-47 Blade Threshold drain is a reddot design award winning product. Doors have been tested for compliance with the relevant Australian Standards. If no door pan flashing is present at the door opening, water may drain through the threshold and make its way inside the structure, resulting in structural damage. ACO Threshold channel drain is designed for use in domestic properties to eliminate any water from pooling at external doors. Increasingly popular in commercial and residential building projects, a flush threshold is the must-have component of today’s architectural design. Now you can have a flush finish from inside to out. For a more contemporary look, our Oak Flush Doors and Mahogany Flush Doors ranges are guaranteed to have exactly what you seek if you are a fan of, or have been considering a more minimalistic look for your home's exterior. Aluminium Doors. It keeps my house cool, and it looks great. Increasingly popular in commercial and residential building projects, a flush threshold is the must-have component of today’s architectural design. Apr 7, 2020 - Explore Ali Thomson's board "Flush threshold" on Pinterest. A slot drainage channel for bi-fold doors, Shower slot drain options, Balcony slot drains. Research to find the system which best suits your plans, from threshold, panel size, thermal performance and frame sight lines. The ‘flushline’ sill is now available with APL Architectural Series sliding doors. IQ Glass offer a flush drainage channel suitable for use with all our flush threshold doors such as our large sliding glass doors, bi-folding doors. Cut to any length for custom installation.