Termites Cinder Block
What is the best termite treatment for a concrete block foundation and crawl space.
Termites cinder block. Cement blocks are made with portland cement and aggregates. They constantly de water the foundation. I have a rancher with a 4 crawl space that has been lined with heavy polyethylene and 2 sump pumps have been installed due to the high water table. Older concrete block houses are vulnerable to subterraneans because of a type of construction called block stemwall that was used until about the mid 1980s.
In some cases termites can enter the home through untreated hollow spaces in the blocks or bricks. Made of durable concrete. The good news is that if the wall is accessible from your unfinished basement you can drill some holes through which you can pump some termiticide as explained in our termite control article. First you must determine if you are working with true cinder blocks or cement blocks as there is a difference in their composition.
Concrete cinder blocks sometimes have gaps in them big enough to interest termites also observed in my field trials. However termites can enter a home through small cracks in the foundation gaps as tiny as the width of a business card. Friday september 21 2018. Concrete block is designed to be used in the construction of foundations.
Foundation walls which can run deep into the ground will many times cross paths with these foraging termites. How termites may find their way into your home s concrete foundation. Termites can infest a block house from the top or bottom depending on the species. The liner stops 3 to 4 from the floor sill inside the crawl space to.
These small sneaking little things can find their way into your foundation through small cracks and crevices including expansion joints and those places where pipes and wires enter your home. Solid poured concrete walls won t let them enter but cinder block foundations are subject to cracks which can let them get inside. These blocks may be combined with foundation blocks and termite shields. Each unit is a standard gray color with a natural finish and uniform shape.
The foundation type of older concrete block homes actually makes them more vulnerable to termites than wood frame. Masonry is often built with lots of continuous gaps that termites can simply walk through especially with extruded hollow core bricks.