Phase 2/3 – Tunnels

We have skills and experience that allow us to control the entire building process, on time and on budget
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Excellent build quality & perfect insulation

The natural choice for mushroom growers worldwide.

The experience of Dalsem Mushroom Projects in designing and constructing hundreds of composting tunnels in all sizes and all climatological conditions all over the world makes us the natural choice for growers looking for this system.

Our team of specialists covers all the aspects of designing, engineering and constructing the Phase-II and Phase-III tunnels exactly according to the client’s situation.

Based on optimal operating logistics and guaranteed high quality compost preparation, Dalsem Mushroom Projects turns any situation into a smooth operation.

We're with you every step of the way:

Concrete grids

Concrete grids are available for tunnels 3 and 4m wide. Average opening 40%.
Support option 1: by lateral stub walls.
Support option 2: by support beams.d

Spigot Floors

Spigot floors are designed for phase I and phase II facilities.
Usual diameter of the PVC pipes is 160 mm. Spigots come as a standard product.
Air volumes: 10 to 15 m3/hr per ton of phase I compost; 200 m3/hr per ton of phase II/III compost. Pressures: 3500-6000 Pa, depending on flling height.

Retaining boards

Retaining boards are available in two different designs.

Type 1: for compost tunnels wit a grid floor, max. 4 m. Comes with aluminium posts and aluminium boards. Reinforced and sliders to fix the board to the wall.

Type 2: for compost tunnels with a spigot floor, max. 8.5 m. Similar to type 1, but reinforced and in different parts. A galvanised tube to support the boards at the higher level and with sliders is part of the supply. At the rear of the tunnel the board has a foot plate of heavy duty galvanised steel as backing for discharging the last bit of compost with a front loader.

Dalsem constructions:

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Complete and tailor made design

Flexible and dedicated approach