Concrete & Anchoring

Anchor selection, ACI 318-19 compliance, spacing and edge distance, load capacity, Tapcon screws, wedge anchors, and epoxy systems.

41 guides

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Concrete Anchoring

41 articles

Parabolt de aço deitado sobre concreto, com porca sextavada e arruela no alto da haste rosqueada e o clipe de expansão em volta do cone na ponta, ao lado de um furo recém-feito cercado de pó.

Sep 21, 202614 min read

Parabolt: Tabela de Carga, Broca e Distância Mínima da Borda

No parabolt, a broca é igual à bitola. A carga que você pode usar é a de trabalho, várias vezes menor que a de ruptura. Tabela de 1/4" a 1".

Broca de vídea com ponta de metal duro sobre uma superfície de concreto, com uma bucha de nylon cinza deitada ao lado e uma fita amarela enrolada na broca bem além do fim da bucha, marcando uma profundidade de furo maior que o comprimento da bucha.

Sep 21, 202613 min read

Tabela de Buchas e Parafusos: Qual Broca, Qual Furo, Quanto Segura

O número da bucha diz a broca, mas não a profundidade do furo nem quanto ela segura. Tabela completa de S4 a S20, com carga por tipo de parede.

Blue plastic conical anchor for concrete, shown next to a screw

Jul 18, 20268 min read

Plastic Anchors for Concrete: Real Weight Ratings

Plastic anchors work in concrete, but only for light loads. Here's the real weight rating, when they're the right call, and when you need a Tapcon or

A contractor's gloved hands using a hand float to smooth freshly poured concrete on a residential job site

Jul 14, 20267 min read

Concrete Finishing Tools: Float vs Trowel Guide (2026)

A complete guide to concrete finishing tools -- bull floats, hand floats, and trowels -- what each does, when to use it, and which ones to buy.

A contractor's hand using a click-type torque wrench to tighten a wedge anchor nut into a concrete wall

Jul 14, 20267 min read

Concrete Anchor Torque Chart: Torque Wrench Buying Guide (2026)

Installation torque chart for concrete anchors by diameter, sourced directly from manufacturer data, plus a buying guide for the right torque wrench.

Wedge anchor and epoxy anchor threaded rod side by side showing mechanical versus chemical bonding methods

Jul 5, 202612 min read

Wedge Anchor vs. Epoxy Anchor: Which One Do You Need? (2026)

Wedge anchors are faster with no cure time. Epoxy anchors deliver higher capacity, work near edges, in cracked concrete, and resist vibration loosenin

Drop-in anchor and wedge anchor side by side showing flush socket versus protruding stud design

Jul 5, 202613 min read

Drop-In Anchor vs. Wedge Anchor: Which One Do You Need? (2026)

Wedge anchors are faster and stronger in shear. Drop-in anchors need a setting tool but outperform wedge anchors in overhead tension loads and offer a

Wedge anchor and sleeve anchor side by side showing expansion clip differences

Jul 4, 202610 min read

Wedge Anchor vs. Sleeve Anchor: Which One Do You Need? (2026)

Wedge anchors carry 40-60% more holding capacity but only work in solid concrete. Sleeve anchors are weaker but work in brick and hollow block. Full c

Cross-section of cinder block wall showing solid face shell and hollow core with anchor installed

Jul 1, 202612 min read

How to Anchor Into Cinder Block: Which Anchors Hold in Hollow CMU (2026)

For solid CMU sections use Tapcon or wedge anchors. For hollow sections use masonry toggle bolts. Full guide to identifying zones, anchor selection, a

Concrete slab being poured over compacted gravel base with rebar grid visible

Jul 1, 202612 min read

How Thick Should a Concrete Slab Be? Complete Guide by Application (2026)

Most residential slabs are 4 inches thick. Driveways and garage floors need 5–6 inches with rebar. Full thickness chart by application, base prep guid

Wedge anchor being installed in concrete wall with hammer drill for mounting heavy shelving

Jul 1, 202623 min read

How to Hang Heavy Things on a Concrete Wall: Anchor Guide by Weight (2026)

For objects under 25 lbs use Tapcon screws. For 25–75 lbs use sleeve anchors. Over 75 lbs use wedge or epoxy anchors. Full weight-based anchor guide w

Contractor drilling Tapcon screws through pressure-treated 2x4 bottom plate into concrete slab

Jul 1, 202624 min read

How to Attach Wood to Concrete Floor: 4 Methods That Hold

Tapcon screws are the best way to attach wood to concrete for most DIYers. Full guide covering 4 methods, exact bit sizes, step-by-step installation f

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All Concrete & Anchoring Guides

Complete index — 41 guides