Rain, moisture, and UV exposure can wear down the exterior over time, especially if left unprotected. Fortunately, it only takes a few simple steps to protect your oven and keep it performing at its best year after year.
Rendered ovens (like our JA70 Rendered Pizza Ovens and JA90 Rendered Pizza Ovens) are made from high-quality refractory materials. They hold heat beautifully — but the rendered surface can absorb moisture if not cared for properly.
Without protection, you’ll risk:
The best weather protection is a roof.
If your oven is under a pergola, patio, or other covered area, it’s already shielded from direct sun and rain — a massive win for longevity.
Installing a new oven? Explore our Preassembled Pizza Ovens for easy outdoor setup options.
Don’t skip the cover — even if your oven is undercover.
A proper pizza oven cover adds another layer of defence, blocking dust, UV rays, moisture and debris.
Look for:
A yearly seal keeps your oven watertight.
We recommend using Bondall Boncrete (1 part Boncrete to 4 parts water) once annually. Apply it to a clean, dry surface on the outside of your oven with a soft brush or roller. This is for rendered ovens only. Let it cure fully before your next cook.
This prevents:
If you’d prefer something even more durable, our JA70 Tiled Pizza Ovens and JA Grande Tiled Pizza Ovens offer extra weather protection without the need for sealing. Tiles also help prevent hairline cracks in render and reduce long-term upkeep.
Explore our full range of Pizza Oven Accessories, (including covers, and more) to keep your oven in top shape all year round.