Requirements Of Good Roofing System

Defend helps protect against nature s elements.

Requirements of good roofing system.

The roof structure should be strong and stable enough to take up the anticipated. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. It takes an integrated system of components and layers designed to help perform in three critical areas. A common mistake is to fail to connect the roofing system to the air barrier of the exterior wall 3.

As stated in the 2006 ibc roofs must serve to protect the building. The roof covering should have adequate resistance to resist the effect of weather elements such. Provide continuous vapor barriers on the decks under the roofing. To acting as a structural diaphragm in certain situations.

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. This requires roofs to resist high and low temperatures rain wind driven rain high winds exposure to ultraviolet radiation and in some areas snow ice formation and hail stones. Clearly your gable venting system is adequate otherwise your roof wouldn t last as long as it did. A roof system is so much more than shingles.

Hi eilene congrats on getting 30 years of service lifespan from the old asphalt roof. 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. It will support roof. The roof should satisfy the following functional requirements.

Total protection roofing system total protection is more than shingle deep. 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. This will help keep water away from curb flashings says peterson. Find out how all the components work together to keep moisture out your energy costs down and your house looking terrific.

Elevate perimeters of roofing deck surface with canted and tapered insulations. The roof guy post author july 31 2018 at. A roof system is so much more than shingles. Seal helps create a water proof barrier.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Find out how all the components work together to keep moisture out your energy costs down and your house looking terrific. It takes more than shingles to protect your home.