Requirements Of Good Roofing System

Diy asphalt shingle installation is possible for those with good skills experience and equipment no support beyond standard roof sheathing is required for shingles 3 tab shingles are rated for 60 70 mph wind uplift while standard architectural shingles are rated for 110 mph winds.

Requirements of good roofing system.

Find out how all the components work together to keep moisture out your energy costs down and your house looking terrific. A roof system is so much more than shingles. Hi eilene congrats on getting 30 years of service lifespan from the old asphalt roof. Defend helps protect against nature s elements.

The roof guy post author july 31 2018 at. It takes an integrated system of components and layers designed to help perform in three critical areas. This will help keep water away from curb flashings says peterson. To acting as a structural diaphragm in certain situations.

A common mistake is to fail to connect the roofing system to the air barrier of the exterior wall 3. High wind shingles are rated for 130 mph. Find out how all the components work together to keep moisture out your energy costs down and your house looking terrific. Installers should follow code requirements energy standards and manufacturer s guidelines for the use of insulation in an approved roofing assembly as they may differ across industries and product types.

The use of thermal insulation in roofs or roof assemblies must be evaluated in conjunction with the type of roof system. The roof should satisfy the following functional requirements. It will support roof. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

The roof covering should have adequate resistance to resist the effect of weather elements such. A roof system is so much more than shingles. It takes more than shingles to protect your home. The national roofing contractors association nrca recommends expanded polystyrene insulation intended for use as rigid board roof insulation have a minimum density of a nominal 1 25 pounds per cubic foot that complying with astm c578 type viii having a minimum density of 1 15 pounds per cubic foot.

As stated in the 2006 ibc roofs must serve to protect the building. The roof structure should be strong and stable enough to take up the anticipated. Total protection roofing system total protection is more than shingle deep. Seal helps create a water proof barrier.

Provide continuous vapor barriers on the decks under the roofing. Elevate perimeters of roofing deck surface with canted and tapered insulations. Clearly your gable venting system is adequate otherwise your roof wouldn t last as long as it did.