How to Repair a Corrugated Fiberglass Roof
A Corrugated fiberglass roof is easy to repair at home. The materials required to carry out this work are easily available in most local hardware stores and home improvement outlets. However, the labor involved here requires a certain amount of expertise and knowhow of the process. Given below is a simple guide which you can follow while undertaking a project to repair a corrugated fiberglass roof.
Tools and Materials needed:
• Corrugated fiberglass sheets
• Electric circular saw
• Steel tape
• Metal proof nails with watertight washers – 3 inches
• Claw hammer
• Measuring tape
• Chalk line
• Safety glasses
Step 1: Prepare for the Project
It is important that you prepare yourself for the project well in advance. One of the most important factors is to select days and dates during which you expect dry weather with no rains. Check out the weather forecast from a reputed weather source and select a week which is expected to have the ideal weather to carry out the project. Also ensure that you buy all required materials needed for the project before embarking on it.
Step 2: Measurements and Calculations
Determine the part of the existing roof that requires repairs. It is strongly recommended that you replace a complete sheet even if a small part has been damaged instead of addressing only the small damaged part. This will ensure that you have a well done job at the end of the project which will last for many years to come. If a considerable part of the roof has been damaged, start by measuring the length of the area which needs to be repaired in inches. Then divide this number by 44 as most fiber glass sheets come in this measurement. This will give you the number of sheets you need to purchase for your project. Secondly measure the length of the slope of the roof that needs repairs in feet. Divide the number by 6 to determine the number of columns needed.
Step 3: Laying and Nailing the Sheets
Begin to lay the roof by placing the first sheet at one corner of the repair area. If this is at the edge of the roof, ensure that you keep an overhang of 2 inches. Start nailing down the sheet with metal proof nails with watertight washers using a claw hammer. Ensure that you put a nail every 3 inches and do not drive it too close to the edge of the sheet. In totality, you should be using 20 to 22 nails per sheet.
Step 4: Overlapping the Sheets
Once your first sheet is laid and nailed, lay the second sheet with 3 inches of overlap on the first one. Apply a layer of chalk between the overlapped areas. Now nail the second sheet as you did the first one and continue till you have covered the complete area that needs to be repaired.
Remember that you need to lay the fiberglass sheets starting with the outer edge of area of the roof and if your roof is sloping, you have to start with the bottommost layers. If you are concerned about the expertise involved in the job, it is recommended that you get the help and advice of a professional contractor.