Joint Sealing

Joint Sealing


Joint sealing systems prevent air and water from penetrating inside buildings and therefore, prevent damage to homes. Joint sealing products must meet several requisites depending on their fuction and location with respect to the joint: prevent the entry of elements (air, water, chemicals, smoke, etc.), improve thermal and acoustic insulation and improve construction aesthetics. Individual elements exist both in construction and civil engineering that exert movements against adjacent elements. There are two types of movements:

Thermal changes
Temperature changes cause expansion and contraction movements in building elements. For example, joints become larger (expand) or smaller (contract) continuously. Movements due to thermal changes can be significant in the case of large elements or when materials of different nature are used.
Structural movements



These movements are caused by the settling of the structure, vibrations and other loads (wind, etc.) that deform the dimensions of the joint and exerting a considerable pressure on the sealed material. Structural movements normally lead to shear stress on the sealer.

For this process, Rodríguez Ros uses elastic seals, which, compared to rigid materials (e.g. mortar or cement) accompany thermal and structural movements without breakage or loss of adhesion to adjacent construction elements. These sealants maintain their properties during their entire lifecycle, providing long-term sealing.

Rodríguez Ros applies Sikaflex, Sikasil, Sikacryl, Sikadur Combiflex polyurethane sealing systems. These are polyurethane systems that are designed for a broad variety of applications including joints in pre-fabricated concrete facades, joints in glass and metal facades, natural stone facades, joints in ventilated faces and envelopes, joints in pavements and parking lots, joints in roofs, joints in interior finishings, joints in bathrooms, kitchens, etc.), joints in swimming pools, joints in retaining walls (gas stations, etc.), submerged joints or joints in waste water treatment plants, joints in clean rooms (photovoltaic industry, electronics industry, pharmaceutical industry, etc.), joints in drinking water tanks (British Standard 6920. Contact with drinking water).

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