Caulking Where Siding Meets Concrete

Good for gutters siding and concrete.

Caulking where siding meets concrete.

Best for use with aluminum metal concrete mortar plastics rubber stone vinyl and exterior wood. When james hardie siding products butt into wood based materials a 1 8 gap will allow for expansion and contraction of the wood based product. I have a cement slab foundation and shiplap board siding attached diagonally. Many professionals like those at james hardie also agree that you should not use caulk on fiber cement siding unless there is no metal flashing underneath.

Caulking this page is intended to be a supplement to your estimate document. I d like to seal this to make the house more airtight and keep cold air out. There s a gap along the bottom edge of the siding where it meets the cement foundation about 4 off the ground. Concrete caulk this type of caulk should be used where concrete slabs meet or where they meet with a building.

Flashing acts as a waterproofing layer for this type of siding and caulking will prevent the flashing from doing its job. Caulking is a sealant that fills gaps cracks nail holes and similar imperfections on the surface. It depends on the exact situation. Snip the opening of the tube at a 30 degree angle making the opening the same size as your gap.

Applying concrete caulk is easy with just a few simple tips and tricks to get you started. Fill the crack with urethane caulk similar to what you would use for driveway caulk. But urethane squirt foam is subject to uv degrada. But here the main problem is people usually don t find the right type of caulk for their works.

It works perfectly as a concrete expansion joint sealant. In other words caulking is applied where moisture would otherwise penetrate and cause deterioration. You need to have the best caulk for hardie siding to help your walls and wooden surfaces to get rid of open cracks and thin spaces between joints. If you use sashco s acrylic latex caulking sealant you can have any interior or exterior as good as new.

Use a smooth even motion filling the crack flush with the surface beveling it if it s against the house. The best exterior caulk for roofing construction and repairs since it can withstand extreme temperatures and creates a strong insulating and water tight seal. Caulking around windows doors eaves and trim edges gives added insurance that leaks will not occur. Mostly what kent said.

Concrete caulk comes in several different varieties.