Search Results for: cleaning mortar

Hand holding grout float over tiled wall

Repairing grout blowouts in block walls: what’s cosmetic and what’s a structural red flag

Introduction Grout blowouts in block walls are gaps where the grout has failed and the fill no longer stays in place. This article helps you tell which gaps are cosmetic and which signal a structural issue. It keeps the focus on safe, practical repairs you can assess from the surface. Start by looking for signs […]

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Worker wearing yellow helmet drilling into wall with power drill

Adding drainage to an existing block retaining wall: surface fixes vs partial rebuilds

Introduction Adding drainage to an existing block retaining wall involves improving water handling to prevent pressure buildup behind the wall. It covers surface fixes and partial rebuild options for managing run-off and seepage. This guide stays practical and aims to help you assess signs of drainage problems and choose safe approaches. You’ll start by identifying

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Close-up of a power drill with a drill bit attached

Adding control joints in block walls: where to place them and how to detail the break

Introduction Control joints in block walls are intentional breaks that help manage movement and crack control. They should be planned with the wall’s stress points in mind and placed at key locations. Where to place them depends on wall length, layout, and climate, so identify long spans and changes in the wall condition. Detail the

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Cordless drill, wrench, drill bit, and assorted screws on wood

Mounting shelves on block walls: fasteners that don’t crumble the web

Introduction When mounting shelves on block walls, use fasteners and anchors designed to grip blocks without damaging their inner web. Choose from practical options such as masonry screws, toggles, and anchors designed for hollow or solid blocks. Select based on your wall type and the expected weight of your shelves. When installing, consider the drilling

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Person drilling concrete wall with orange and black cordless drill

Testing anchors in hollow block: real-world pull-out results from scrap-wall experiments

Introduction Testing anchors in hollow block is the process of measuring how much force it takes to pull an anchor out of a hollow concrete block. This introduction explains what to expect from real-world, hands-on testing using simple, improvised walls. It focuses on practical outcomes you can relate to when mounting fixtures in hollow blocks.

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close up of textured wet plaster surface

Repairing spalled block faces: patch materials and surface prep that lasts

Introduction Repairing spalled block faces involves restoring a damaged masonry surface by cleaning, patching, and smoothing to prevent further deterioration. First assessing whether you should repair or replace is essential; if the damage exposes hollow cores or undermines structural integrity, replacement may be wiser. Prepare the surface by cleaning loose material and chipping away rough

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Worker applying stucco on cinder block wall outdoors

Parging vs stucco on block: prep, bonding, and avoiding delamination

Introduction Parging and stucco are two surface finishes for block walls, with parging being a thin cement-based coating and stucco a thicker, textured layer. Both aim to prevent moisture intrusion and create a smooth or textured exterior. The article compares prep, bonding, and how to avoid delamination in each method. Surface prep should start with

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Person using power drill on composite deck boards

Waterproofing block foundations: coatings vs membranes vs drainage boards

Introduction Waterproofing block foundations means choosing between coatings, membranes, or drainage boards to keep moisture from entering the structure. Coatings seal the surface, membranes create a continuous barrier, and drainage boards help direct water away from the wall. Think about how water will contact the wall and what prep is needed before any product is

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Hand holding a single red brick against white background

Block bond beams: what they do and clean ways to form them in the field

Introduction Block bond beams are horizontal reinforced concrete bands built into the top of block walls to tie sections together and resist bending. They help transfer loads to the foundation and keep the wall stable. In practice, they act as a continuous tie across the wall, improving overall strength. Common materials and forms for bond

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Hand holding a green drill drilling into a white brick wall

Strengthening an existing block wall with grout fill: what DIYers can and can’t do

Introduction Grout filling a block wall is a method to add rigidity by binding hollow cores and masonry units together. This article explains what you can and can’t do as a DIYer. It focuses on practical steps, safety, and what to check before you start. Before you begin, confirm local rules and product instructions, and

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