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„Plywood for Wall Formwork: When Plywood-Faced Forms Beat System Walls (and When They Don't)“ ist in Deutsch noch nicht verfügbar

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Quick Answers

When does plywood-faced wall formwork beat a Doka, PERI, or MEVA modular system?
On landed-cost terms, plywood wins under about 500 m² of total pour face, on irregular geometry that doesn't match modular module sizes, on one-sided pours against earth or rock, and as replacement face panels bolted onto rented modular frames. Past about 2,000 m² of repeat geometry, modular gangs dominate cleanly. The 500–2,000 m² band is where judgment matters more than spec.
What thickness of plywood do I need for residential basement walls?
For pours under 2.4 m lift on 600 mm stud spacing at typical placement rates (1.5–2.0 m/hour), 18 mm phenolic film-faced is the working baseline. Move to 21 mm past 3.0 m single-lift height or when pour rate pushes lateral pressure past 50 kN/m² at the base. ACI 347 and CIRIA 108 give the pressure model; the engineer who designs the form owns the final layout.
Can I bolt fresh plywood face panels onto a rented Doka or PERI frame?
Yes — this is one of the largest segments for film-faced plywood. Doka Framax, PERI MAXIMO, MEVA Mammut, and ULMA Comain were all designed to accept a replaceable plywood face. The original face wears out around 30–50 pours under heavy commercial use. Match the panel size to the frame's tie-rod and bolt pattern exactly, and spec a fresh phenolic face film (120 g/m² minimum for industrial walls).
How many reuses can I expect from plywood-faced wall forms?
Phenolic-bonded EN 636-3 panels like Pro Form: up to 20 reuses with disciplined edge care and snap-tie hole maintenance. Higher-melamine-content MUF Class 2 panels like Form Extra: up to 15 reuses. Standard MUF Class 2 panels (Form Basic, Eco Form): up to 10–15 for wall work. Those are maximums. Sites that strip with crowbars or store panels flat on wet ground hit half those numbers.
What kills plywood wall forms first — the film or the edges?
Almost always the edges and the snap-tie holes. Snap-tie hole edge swell when ties are reused without cones is the most common failure mode on wall work. Other killers: dropped forms during the strip cycle, rough stripping at corners where the panel meets the strongback, and storing panels flat on wet ground. The face film usually outlives the panel.