Retroplus roof board is an expanded perlite mineral aggregate board.
Flat roof board thickness.
We have the right sized osb3 board for almost every job.
The tr27 range of insulation from kingspan has been developed specifically for insulating flat roofs.
A minimum thickness of 18mm these will be able to span up to 600mm.
Wood edges are routed 1 8 to allow for expansion and contraction of the wood.
Roofs with very heavy loads may require 3 4 inch thickness.
Oriented strand board osb osb has almost the same application and usefulness as the plywood it is made from wafers of timber rather than full sheets of veneer.
Installed correctly allowing falls to roof using per furring.
Tr27 insulation consists of high performance pir boards with glass facings on either side.
Wood particle board chipboard.
Sufficient thickness 18mml.
Always install wood side up.
Builders put a new flat roof on the extension to my house in glossop in.
4 1219 mm 1 8 3 mm.
Suitable for use with all bauder systems.
Buildingregs4plans flat roof guidance provides information on flat roof deck design and materials including timberboarding plywood oriented strandboard.
Available wood thickness standard 7 16 or 5 8 thick rated 1 osb.
These flat roof insulation boards have been manufactured so.
Tr27 kingspan flat roof insulation.
Osb a sterling board.
Sterling board is resistant to water with the osb3 option being particularly suitable for humid conditions.
Impervious to any waters ingress.
Regardless of thickness the plywood should be a type suitable for exterior use graded exterior or exposure 1 references.
The vcl and insulation board warm roof without deflection.
1 2 12 7 mm 1 32 0 8 mm width standard.
A good alternative to ply wood and usually cheaper we stock osb3 board in a selection of sizes.
That is easy to install and cut builds slope into an otherwise flat roofing system.
Densdeck roof boards are utilized in a wide variety of roofing systems for new and re roofing applications as gypsum roof cover boards and thermal barriers.
Oriented strand board osb osb used for flat roof decking should be type osb 3 or osb 4 conforming to bs en 300.
Browse our range of roof boards below and choose between general purpose hardwood plywood shuttering plywood exterior wise spruce plywood sheets and more.
Find out more in our guide to insulating a flat roof.
The usual recommendation is that osb 3 or osb 4 bs en 300 should be used in flat roofs.
