Novel outer wall split bolt hole three-color polyurethane plugging process

Abstract

The invention discloses a novel outer wall split bolt hole three-color polyurethane plugging process. The novel outer wall split bolt hole three-color polyurethane plugging process comprises four steps of base layer treatment, waterproof expansive cement mortar filling, waterproof expansive cement mortar curing and waterproof coating brushing. During base layer treatment, after an outer wall formwork is detached, an outer wall split bolt hole is pulled out, a PVC pipe exposed out of a wall surface is cut flat, meanwhile, residual mortar on the periphery of the hole is cleaned up, the split bolt hole is expanded into a horn mouth shape through an electric drill, the PVC pipe in the hole is smashed, and the interior of the hole is cleaned up through a steel wire brush or a pneumatic pump. The process has the advantages that the outer wall split bolt hole three-color polyurethane is used in order to improve the plugging quality of the outer wall split bolt hole, improve the management quality level of an enterprise and ensure safe and civilized construction on site, the 1:2.5 waterproof expansive cement mortar is adopted for plugging compactly, the outer side of a wall body is coatedwith a circular polyurethane waterproof coating film for three times, a novel roller tool is used for brushing waterproof paint quickly and conveniently, and the construction quality is improved.

Description

technical field [0001] The invention relates to the technical field of building waterproofing, in particular to a novel three-color polyurethane sealing process for the bolt hole of the external wall. Background technique [0002] Broadly speaking, architecture is the study of buildings and their environments. Architecture is a discipline that straddles engineering technology and humanities. The architectural art and architectural technology involved in architecture, as well as the aesthetic and practical aspects of architectural art as a practical art, although they are clearly different, they are closely related, and their weight varies with the specific situation and the structure of the building. very different. [0003] In construction projects, there is a common phenomenon of water leakage from external walls. This is also a common phenomenon in construction projects. The light ones cause water seepage on the walls, and the severe ones cause the plastering layer on t...

AI Technical Summary

Problems solved by technology

Once this problem occurs, it will lead to dampness and mildew on the inner wall, and in serious cases, rainwater may slowly flow into the residential building, causing property loss to the residents

This method is difficult to check whether the hole is sealed and dense, the quality is not guaranteed, and the work efficiency is low

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