Wind on a Wall, Bar Spacing and Grout

Home › Calculators › Wind on a Wall, Bars and Grout

Opens on the book's own wall. Change any number to your own and press Calculate.

Wind speed

Speed in

Wall length m

Wall height m

Wall weight kg per m² of face

Wall thickness m

Design load (TEK 14-16B)

Your bar spacing mm

Courses

Top course grouted solid

Grout bag yield ft³ per bag

Grout price per bag

Enter a wind speed and press Calculate.

From the book, Chapter 6. Wind pressure q = 0.613 × V² (pascals, V in m/s). TEK 14-16B, the concrete masonry fence design note, lists No. 4 bars at 120, 88 or 72 in for a 4 ft fence of 8 in block at 15, 20 or 25 psf. The book's wall uses 1.2 m.

The tipping figure ignores the grip of the mortar and the footing, so it is a teaching number, not a design. Published tables and your building department decide; in hurricane country, an engineer. Prices are illustrative US home-center prices from October 2026, shown without a currency sign; put in your own. Everything stays in your browser: no sign-up, nothing stored.