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How to Accurately Measure a Roof to Purchase Shingles

How to measure your residence for roofing materials? That is a terrific question and here are a few easy solutions to acquiring your material list down. I will very first say that if you have a low slope like 4:12 to a 6:12 roof pitch then you will have it hassle-free from just the roof prime by measuring the planes. This is offering you are not scared of heights of course. There are a couple of rule for the initial measuring method.


1. For a Gable Roof you should certainly add at least 12% for waste. 1 square equals 100 square feet of material.


2. For a Hip Roof you will need to be depending on how cut up with hips and valleys at 15 to 17 % waste ratios.


3. For Architectural or Laminated Shingles you will require correct Lineal Footage measurements of the hips and ridge to decide how several bundles of enhanced ridge caps you will need to ridge cap your roof. For just about every 20 LF. Of ridge on hips or gable ridges you will have to have to know the total LF to know how many bundles you will need. These shingles run cost smart from $42.00 to $55.00 per bundle and that is not low-priced.


4. For Typical Strip Shingles you ought to be know that you can cut up 33 LF out of every bundle for your hip and ridge caps.


5. If you have a gable roof and you want ridge over ridge vent such as Cobra 2 or 3 by GAF/ELK. Know that ridge vent comes in 4 foot sections so that you can make a decision how considerably you will want for the overall ridge of your roof.


6. Normal nailing patterns call for four nails to every shingle and there are 78 shingles per roofing square and that comes to 234 nails per square if accomplished to producers minimal requirements. So for a 50 LB. Box of hand nails you will get about 25 square or 75 bundles of hand nailed shingles on your roof.


7. You will need to measure your valleys to see how extended they are for Ice and Water Shield to defend your installation from leak. They come in 1 and 2 square rolls. A single 1 square roll has 33 lineal feet per roll and it is twice as significantly for a two square roll.


8. Last but not least you'll need to have felt and depending on your preference you can use a couple of various types. There is 15 LB or #15 that comes 4 squares roofing felt and for 30 LB or # 30 roofing felt it comes in 2 square rolls. You will also need to have to acquire some plastic caps to nail down the felt. You can install around 30 squares of felt with a 20 lbs box of 1 " plastic caps.


9. You'll need to have to know how a lot of plumbing vents are on the residence and the size of every single a single. They range from 1 1/2 " to 4 " in size.


I hope this aids you out considering that I have used the similar techniques for 20+ years to get a material list in order for roofing residential houses.