How to Build a Hothouse

How to Build a Small Hothouse - Ventilation

Bracket "A" made from 3/4 in. x 3-16in. mild steel will serve for spring blinds and 'B" for the others, but a good feature about type "A" is that it can be controlled sidewise and pre-vented from flapping about with possible damage to glass.

This control is explained by the roof and the small sketch above, showing a length of fence wire fixed on two battens. The bottom batten of the blind can be guided along the wire by means of small staples such as are used for door bolts, and the wire itself is fixed to its own battens by turning a loop on each end to take screws. Air between blind and roof forms a cushion which helps to keep the internal temperature steady and for this latter purpose the blinds are in frequent use even through the winter.

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How to Build a Hothouse

Design Features
Roof Ventilation
Construction
Foundations
Roof
Roof 2
Heating System
Glass Cutting
Materials List
 
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