Guides
146 articles found
Board-Formed Concrete: How the Form Face Shapes the Finish
Board-formed concrete gets its character from the timber boards it is cast against. This guide covers how the finish is…
Concrete Spalling: What Causes It, How to Repair It, and How to Prevent It
Concrete spalling is surface concrete flaking or breaking away, exposing aggregate or rebar. It is a post-cure…
Bug Holes in Concrete: What Causes Them and How to Prevent Them
Bug holes are small surface air voids on a concrete face, driven mostly by the mix, vibration and release agent rather…
Honeycomb in Concrete: Causes, Prevention, and Where Formwork Fits
Honeycombing is rough, voided concrete where mortar failed to fill around the aggregate. Here are the real causes, how…
Fair-Faced Concrete: How Formwork and Panel Choice Drive the Finish
Fair-faced concrete reproduces whatever surface the formwork presents. Here is how the form face, panel joints, release…
Single-Sided Formwork: How One-Sided Wall Forming Works — and Where the Plywood Sits
Single-sided formwork casts a wall with access on one side only. How the bracing carries the concrete pressure without…
Permanent Formwork (Stay-in-Place): How It Works, When It Pays — and When Reusable Wins
Permanent (stay-in-place) formwork stays cast in the pour instead of being struck and reused. What the material families…
Slipform Construction: How Continuous-Pour Formwork Works (and the Panel Behind It)
Slipform construction casts concrete continuously as a hydraulic rig climbs without stopping, leaving no cold joints.…
Climbing Formwork (Jump Form): How It Works and the Panel That Faces the Concrete
Climbing formwork (jump form) is wall formwork that rises with the structure, repositioned after each lift and anchored…
1 Inch Plywood: Thicknesses, Strength, Sheet Types & Buying Guide
True 1 inch plywood exists, but most "1 inch" panels are nominal. This guide covers real thickness, the sheet types sold…
How Many Times Can You Reuse Formwork Plywood? Reuse Cycles by Grade
There is no single reuse number for formwork plywood. It runs from about 3 pours for bare panels to up to 20 for Class 3…
Concrete Pressure on Formwork: How Fresh-Concrete Pressure Drives Panel and Tie Choices
Fresh concrete pushes outward like a fluid, and that lateral pressure decides formwork panel thickness and tie spacing.…