Search Results for: sealing where walls meet floors

close up of white textured hardwall plaster surface

Hairline Crazing in Hardwall Plaster: Surface Keying and Breathable Topcoats

Introduction Hairline crazing in hardwall plaster is fine cracks that form on the surface when the plaster dries and the finish isn’t keyed well enough for the next coat. It happens when the surface isn’t gripping the base layer, or small movements stress the top layers. The fix starts with proper surface keying and choosing […]

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Hand applying plaster to wall with trowel wearing glove

Fixing Plaster After Water Stains: Salts, Stain Blocking, and When to Cut Out

Introduction Water stains on plaster indicate moisture and mineral salts that have bled into the surface. Address the source and let the area dry before patching, and remove any loose or damaged plaster you can see. Choose a stain-blocking product and patch material based on the area, and always check the label for compatibility and

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close-up of rough textured coarse stucco surface

Stucco Terminations at Patios: Splashback Zones, Capillary Breaks, and Grade Fixes

Introduction Stucco terminations at patios are the edge details that stop water and keep finishes from failing. They cover splashback zones, capillary breaks, and grade-related fixes in practical terms. Look to manufacturer guidance for any specific installation steps or local rules. You may see alternate terms for these details like termination trims or kickouts. Make

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Box fan on concrete floor with dark moisture stains on wall

Concrete Block Moisture Problems: Capillary Rise, Sealers, and Interior Coatings That Make Sense

Introduction Moisture problems in concrete blocks happen when water wicks through the wall, showing up as damp patches and mineral blooms. This is commonly caused by capillary rise and can occur even when the surface seems dry. To deal with it, you need to identify where the moisture is coming from and how the wall

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Open white window above thick smooth concrete sill

Concrete Block Window Sill Water-Shedding Details: Slopes, Drips, and Smart Sealant Placement

Introduction A concrete block window sill water-shedding detail is the built-in slope and drip setup that directs rain away from the wall and into drainage. We’ll set a gentle slope on the top surface and add small drip features to keep water from riding back into the opening. Check local rules and manufacturer guidance for

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Worker smoothing plaster on a wall with a trowel

Microcement Over Old Plaster: Bond Layers, Movement Risk, and Sealer Selection

Introduction Microcement over old plaster means applying a thin cement-based coating on top of a plaster substrate with careful surface prep. Start by cleaning the surface and repairing obvious flaws to give the new layer something to grip. Roughen or abrade slightly and use an appropriate bonding primer to improve adhesion. Movement risk comes from

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Hand applying cement plaster with trowel on brick wall

Keene’s Cement Plaster: When Hardness Helps and How to Avoid Crazing

Introduction Keene’s cement plaster is a lime-based plaster mix that hardens to a solid wall finish. Hardness in this plaster helps durability, but it can cause cracks if it’s applied or cured improperly. To avoid crazing, follow proper mixing, priming, and curing practices and check product instructions for recommended working times and environmental limits. If

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Close-up of stacked stone veneer wall with varied shapes

Brick Veneer 101: Air Gaps, Weeps, and Why “Stuck-On” Systems Fail

Introduction Brick veneer is a non-structural facing that sits on a wall with an intentional air gap to vent moisture. Understanding why air gaps and weep holes matter helps you spot issues before they show up. This setup is what keeps brick veneer performing without relying on the wall itself for support. Stuck-on brick systems

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Pile of broken red bricks and rubble

Spalling Brick Diagnosis: Freeze-Thaw, Salts, and the “Stop the Water” Plan

Introduction Spalling brick diagnosis is identifying why bricks are flaking or crumbling due to freeze-thaw, salts, or moisture. This is a hands-on check to help you decide what needs repair and how to stop further damage. Look for cracking, hollow sounds, powdery surfaces, or powdery efflorescence as clues. Start by stopping water entry and planning

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