Match roof material and use appropriate slope match the roofing on the covered porch with the main roof.
Proper shingles fir aluminum patio roof.
A shingle roof covering will remain waterproof only under certain conditions.
Anchor a ledger to a masonry wall with expanding anchor bolts begin by marking a line across the wall for the ledger s top edge.
The tables below give maximum spans for rafters and beams.
Using corrugated metal also allows me to reduce the degree of slope or roof pitch needed to a mere 10 percent or a 1 to 10 pitch.
Metal roofs generally can run from 120 to 900 per 100 square feet one 10 foot by 10 foot area or a square of material while asphalt shingles will be between 100 and 200 per 100.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12.
Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available.
Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.
Drip edges are metal sheets usually shaped like an l installed at the edge of the roof.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
Traditional 3 tab shingles made with asphalt composite are the most popular type of shingle and are the most flexible in terms of adapting to many roof pitches.
Even though a patio is often hidden in the back of the house its design and roof should coordinate with the home s exterior color for a cohesive unified look.
Third to ensure adequate airflow the total area of ventilation openings required will depend on the type of roof.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter.
The minimum pitch for.
The roofing materials most often used for these pitches include asphalt composite shingles.
Let s take a look at the most common types of metal roofs for houses.
This meant the patio cover could start at the edge of the house s roof at a height of eight feet and slope down to seven feet leaving a clearance of more than six and a half feet between the lowest part of the frame s headers and the ground at its outer edge.
Except for special cases the ratio of ventilation openings to insulated ceiling surface should be at least 1 300.
Determine the minimum slope of the roof based on the roofing material.
The figures are based on quality materials.