Bituthene Roof Construction Over Plywood Decking

Bitumen roofing is also available in 1 2 or 3 ply.

Bituthene roof construction over plywood decking.

Fiber roof underlayment as a final substrate. Plazas decks inverted roofs green roofs and elevated decks. The bituthene waterproofing system is the most trusted post applied waterproofing membrane. Cdx plywood glued and screwed to the framing.

Continuous notched 4 6 posts support the framing and also serve as rail posts. Energy efficient and available in a variety of colors that will add value to your home metal roofing is a wise choice for homeowners. Bv021594 08 07pm 02 09 20. If you re wondering why the roofers can t just install new shingles and roofing accessories over your existing roof deck this article will guide you through one of the most common reasons.

The plywood should be clean and free of raised nail heads to provide a uniform deck structure for the metal. The roof sheathing is 3 4 in. If doing an all new roof decking definitely go with at least 5 8 thickness if you are spanning more than 16 inches between roof framing elements. Install waterproof felt over the plywood to add protection against moisture.

The new plywood will have to be nailed to the rafters or roof trusses. 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. Tunnels metro stations and infrastructure products. 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.

Cedar shakes have always been a popular roofing material especially in the pacific northwest. Bituthene deck prep surface treatment surface leveler for application to uneven or rough concrete surfaces. The 1 ply material is not durable and if used can. For each of these applications and more there s a bituthene product developed by gcp applied technologies.

This absorption of heat can lead to superheating of the building below. But in recent decades the asphalt composite shingle has taken off as the main roofing style. 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. Follow these 5 simple construction steps for roof sheathing and scroll down to see more details on each with installation hints and tips below.

But with the old plywood left in place it will be considerably more difficult to locate the rafters to ensure proper nail.