Permeability as i mentioned earlier is not a problem when you have a ridge vent with soffits.
Tyvek under metal roof.
Compatible with roofs with asphalt shingles cedar shingles and metal roofs.
Each roll covers 1 000 square feet and with 10 squares per roll and 2 inch chalk marks installation is flat and easy.
Felt is proffered on a roof because you could walk in it and it sticks nicely to shingles.
Yes dupont tyvek wb can be used under any façade including brick stucco vinyl cedar siding metal and stone.
Use for repair re roofing and new construction applications 160 48 last update on 2020 09 26 at 04 01 affiliate links images from amazon product advertising api.
Proper installation under each façade is essential to ensure tyvek provides the maximum level of air infiltration resistance and bulk water holdout.
It is ideal for slopes 2 12 or higher and can be used under a variety of roofing materials including asphalt shingles cedar or metal roof cladding.
Dupont tyvek metal is a breathable fire retardant self supporting r2 synthetic roof underlay dupont tyvek metal consists of dupont tyvek supro combined with an 8mm drainage mat to maintain a separation layer between the roof cladding and the underlay it is made by bonding a polypropylene drainage mat to a two.
Tyvek metal roofing underlay is vapour permeable yet water resistant and airtight.
Dupont tyvek protec 120 roof underlayment is an engineered synthetic roofing underlayment with industry leading walk ability.
The lightweight material makes installation easy under roofs made from metal or asphalt shingles.
The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof.
With a high strength to weight ratio you can use this on sloping roofs with 2 12 or higher ratios.
Selecting the right underlayments for a lifetime metal roof should be a primary concern for anyone thinking about specifying or choosing to install a metal roof on their home.