Creating a threshold drainage (step free with no level changes) across the base of rear opening doors is a very popular requirement for modern architectural designs. The inclusion of a level threshold from inside to outside effectively merges the internal and external living spaces by removing that level change.
As attractive as this design element is to modern residential design you must be careful that the opening flush threshold doors chosen are fully designed and capable of dealing with the performance aspects of a level threshold.
One main issue to be thought through is drainage. When your floor effectively continues from outside to inside any openings need to be designed to stop the external elements from crossing that level threshold.
Sliding Glass Doors will give you the highest level of weather sealing whilst creating that desired level threshold. As the sliding door panels sit down into the floor it helps create that weather seal, enabling these large elevations of sliding glass to have very high testing results for water tightness.
Our minimal windows sliding glass doors already has its drainage options fully thought through with innovative and unique drainage solutions to keep water out.
Beneath the flush threshold aluminium frame sits a solid Neoprene drainage block, running the full length of the sliding glass door elevation. Any rainwater hitting the surface of that glass wall will run down the face of the glazing, into the flush threshold aluminium frame and onto the neoprene block below and is then forced onto the outside, where you want it to go!
From there the rainwater can be fed into our specialist flush threshold drainage channel to effectively move the water away.
The problem with most ‘flush threshold’ or ‘invisible’ drains is that they act more like evaporation channels. They create a very minimal appearance but with the UK climate and high levels of rainfall, the water doesn’t get a chance to go anywhere!
A flush drainage channel is a much more effective drainage solution, capable of taking up to 120 litres of water per minute and coming complete with integrated spigots to move water away.
Although most effective with the minimal windows sliding doors this flush threshold drainage solution can be utilised across IQ’s entire aluminium door range, from the Vitra Pivot Doors, aluminium bi folding doors and aluminium casement doors (as featured in Real Homes).
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