The hollow sound indicates eifs due to the thinner base coat and insulation board while the solid sound can be attributed to the thicker solid stucco base coat and no insulation board caution pm eifs or hybrid stucco system can also produce a solid sound.
Stucco vs eifs siding.
Eifs is synthetic stucco siding.
Traditional stucco is not prone to the moisture problems discussed below.
Eifs can work well in certain situations but will lead to mold build up or hidden water damage if not installed improperly.
After this a fiberglass mesh is applied and then a finishing coat.
First it includes a layer of insulation.
Stucco dating back to the greeks and romans is composed of portland cement sand and water.
It is basically a layer of rock surrounding your home.
It s strong and porous.
Around the 1950s a synthetic stucco siding began to replace traditional stucco in some homes.
While some might label external insulation and finishing systems eifs as synthetic stucco it s actually a complete cladding system that has less in common with stucco than you might think.
Traditional stucco siding is made from portland cement sand lime and water.
Pros and cons of eifs siding.
Unlike traditional stucco eifs is applied in layers.
Between eifs and traditional stucco traditional stucco is the superior solution.
Eifs is a relatively new cladding option that was introduced to the us in 1969.
Secondly it offers even more finish options than stucco.
When considering synthetic stucco vs traditional stucco eifs siding has two advantages.