Caulking Between Wood Siding

As homeowners with this kind of siding know wood naturally expands and contracts with fluctuations in temperature and precipitation.

Caulking between wood siding.

Cartridges typically have 9 to 11 ounces of caulk versus a squeeze tube which has 3 to 6 ounces. It is generally not a good idea to use caulking on wood siding. Caulk comes in two forms. A cartridge or a squeeze tube.

Before caulking joints between dissimilar materials make sure that the manufacturer recommends the caulk for both materials. Moreover they are usable on wood trim concrete hardiplank rooftop stucco siding and many other outdoor caulking surfaces. These include polymer silicone polymer paintable. Paintable silicone caulk can be used around the outside of window units to properly seal the window and the siding edge or around the entire door unit.

Caulk is a substance designed to seal a joint between two surfaces and to fill small holes. The caulk was still perfect in the few areas i had caulked along the siding. Siding windows and door caulk there are a variety of caulk compounds that will create air and watertight seals around windows and doors. We have a home from the 1930 s with many gaps in exterior portland type stucco between wood and cracks within the stucco.

Use when installing bath fixtures to seal gaps between shower tiles between sinks and counters and around the base of the toilet. Metal flashing or any metal to wood joint should not be caulked another water exit pathway that should never be sealed. These two conditions make up about 80 of our needed stop gaps. The remaining conditions are gaps between stucco and metal pipes or roofing materials.

The nails holding up the siding should not be caulked. Siding nails should not be caulked another item that needs room to play is siding boards themselves. A cartridge and caulk gun give a more continuous bead than a squeeze tube which is better for small projects. The thing is over time the chemical treatment in the pressure treated wood dries out and the wood contracts and literally gets a tiny bit smaller since it s not now swollen with moisture.

Use around sinks tubs and showers. Also avoid caulking tongue and groove siding boards together.