Bituthene Roof Construction Over Plywood Decking

The new plywood will have to be nailed to the rafters or roof trusses.

Bituthene roof construction over plywood decking.

After receiving a few estimates some or all of the roofing contractors propose to tear off your existing roofing material and re sheet with plywood. Energy efficient and available in a variety of colors that will add value to your home metal roofing is a wise choice for homeowners. Plazas decks inverted roofs green roofs and elevated decks. Install waterproof felt over the plywood to add protection against moisture.

For each of these applications and more there s a bituthene product developed by gcp applied technologies. The bituthene 4000 membrane and bituthene 4000 surface conditioner are specifically designed for use as detailed in this product data sheet and are not intended for any other use. Given the large numbers of homes with cedar shake roofs installed in the 1980 s and 90 s many are coming to end of life now. Cedar shakes have always been a popular roofing material especially in the pacific northwest.

Plywood is a bit more expensive but is usually stronger and is often selected in cases where the roof covering is heavier such as for slate clay or concrete tile roofs. This absorption of heat can lead to superheating of the building below. Follow these 5 simple construction steps for roof sheathing and scroll down to see more details on each with installation hints and tips below. Bitumen roofing is also available in 1 2 or 3 ply.

But with the old plywood left in place it will be considerably more difficult to locate the rafters to ensure proper nail. But in recent decades the asphalt composite shingle has taken off as the main roofing style. The bituthene waterproofing system is the most trusted post applied waterproofing membrane. Modified bitumen roofs have a lot of advantages over other types of membrane roofing and are often seen as the modern alternative to the built up roof.

Continuous notched 4 6 posts support the framing and also serve as rail posts. Fiber roof underlayment as a final substrate. To create a smooth surface and to protect the bottom of the rubber roofing from any fasteners or rough edges on the plywood i installed 1 2 in. The plywood should be clean and free of raised nail heads to provide a uniform deck structure for the metal.

Bituthene deck prep surface treatment surface leveler for application to uneven or rough concrete surfaces. The roof sheathing is 3 4 in. Bv021594 08 07pm 02 09 20. Tunnels metro stations and infrastructure products.

The 1 ply material is not durable and if used can.