Block Wall Expansion Joints

Exterior vertical wall expansion joint selection guide emseal watertight fire rated sound proof insulating precompressed foam sealant expansion joints.

Block wall expansion joints.

In the concrete block construction the expansion joints are expressed as control joints. These principles generally apply to both horizontal and vertical joints. This allowed movement helps prevent distortion and cracking. This is because of greater loads in the lower parts of the wall.

An information series from the national authority on concrete masonry technology ncma tek 10 2c 1 control joints for concrete masonry walls empirical method introduction concrete masonry is a popular construction material because its inherent attributes satisfy the diverse needs of both exterior and interior walls. While these attributes are the primary basis for concrete masonry s. Types of expansion joint. Our siteworx foam expansion joint filler is made from polyethylene foam which comes with low moisture properties.

Control joints are often constructed to transfer lateral loads across the joint. Guidance for spacing and location of control joints can be found in the national concrete masonry association ncma tek note 10 02c control joints for concrete masonry walls empirical method 2010. As mentioned in the expansion joints discussion the design of control joint spacing and location is the responsibility of the designer. Based on the location of joint expansion joints are divided into following types.

A masonry expansion joint is a complete break in the masonry wall to allow for the entire structure to move under loading temperature related expansion contraction etc. These joints will absorb the pressure created by the expansion by giving the masonry wall flexible space to expand. Movements joints are typically constructed and filled with low density expansion and movement joint. Expansion control joints to control the expansion and protect the wall structure from cracking under pressure masons install vertical control joints at specific locations.

The expansion joints are incorporated to endure the stresses. To help match mortar the foam comes in white. High walls tend to experience greater movement towards the top of the wall than in the lower extremities. The purpose of a masonry control joint is to allow free movement while maintaining the weathertightness of the construction.

Aggregate concrete blocks position of movement joints consideration for the location of movement joints should be given at. An expansion joint is simply a disconnection between segments of the same materials. The siteworx foam expansion joint filler.