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Fast Flex fixings are designed to attach timber onto the underlying substrate with the capabilities of a screw but the speed of installation of a nail.
Fast Flex is available in two diameters – 6 mm and 8 mm – and a range of lengths from 50 mm.
Because of its design there is minimal finishing required once it is driven home. The Grade 304 stainless steel ensures that there is no unsightly staining or streaking of surface finishes, and they are not affected by any aggressive timber treatments.
Fast Flex fixings can be used to fix battens, skirting, dado rails or door frames on to aircrete blocks. They may be painted directly without fear of staining.
Fast Flex are also to be recommended when fixing through insulation materials. They offer a ‘stand-off’ fixing that will not crush the insulant even if they are over hit; and being stainless steel they can be used externally, offering a good method of increasing thermal insulation on solid walls.
Battens for vertical tiling may be fixed either directly to the bricks/blocks or through the insulation material.
Generally the batten thickness will need to be a minimum of 25 mm, although 19 mm can be used in special circumstances. This not only ensures a good ‘pull-through’ value at the batten/fixing connection, but also allows an ‘improved’ nail to be used to additionally fix into the batten.
The fixing embedment into the brick, block or concrete will depend on the strength of the material, the wind loading and the weight to be supported. As a rule of thumb, concrete requires 30 mm, brick 50-70 mm and aircrete 70 mm+. The use of a load test unit should be considered.
Fast Flex can be driven into the bottom of posts to fix them securely into a poured concrete base. Its design allows it to be placed very close to edges without danger of splitting the timber.
When fixing timber posts for gates or fences to brickwork the Fast Flex offers an easy solution. A 5-6 mm pilot hole is drilled through the post and into the masonry whilst holding the post securely up against the wall, and then hammering the Fast Flex straight into the hole. Because it is stainless steel there is no finishing requirement to resist and future possible corrosion.
Fast Flex may also be used to fix softwood noggins or rails into timber frames without splitting the timber or requiring and drilling.
Door frames can be similarly fitted to aircrete blocks by staggering the fixings up it’s length without danger of splitting the blocks as can occur with expansion type fixings.
