How to Build a Cold Frame from Old Windows

Why the Weather Should Pick Your Furniture
Anyone who has lugged a sodden cushion in from the garden during an unexpected April shower knows the feeling. British weather is rarely cruel for long, but it is relentless in its variety: damp mornings, warm afternoons, frosty nights and weeks of drizzle that seem to find every crevice. Furniture that looks lovely in a showroom can be a sorry sight by February if it has not been chosen with our climate in mind.
The good news is that you do not need to spend a fortune or resign yourself to plastic. Teak, woven rattan and powder-coated metal all cope admirably with rain, frost and UV light — provided you pick the right version and think honestly about how you will store it. Here is what to look for.
Teak: the Traditional Choice That Earns Its Keep
Teak has been the benchmark for outdoor furniture for good reason. Its natural oils make it naturally resistant to rot, and left untreated it simply weathers to a soft silver-grey that suits cottage and contemporary gardens alike. If you prefer the warm honey colour of new timber, a light clean and an annual application of teak oil will keep it that way.
When buying, look at the timber itself rather than the price tag alone:
- Heartwood over sapwood. The dense inner wood holds the oil that protects the piece. Thin, pale sapwood will not last.
- Joinery quality. Mortise-and-tenon joints and stainless steel or brass fixings will outlast staples and mild steel screws, which rust and stain the wood.
- Weight. A substantial table is a stable table. Lightweight teak is often a sign of thin sections or a different species entirely.
Teak is heavy, so measure your route to the patio before delivery. Avoid pressure-washing it, which raises the grain and strips the oils; warm soapy water and a soft brush are plenty.
Rattan and Woven Furniture: Light and Easy to Move
True rattan comes from a climbing palm and is beautiful but best kept under a covered porch or in a conservatory here, as repeated soaking will eventually break down the fibres. For full exposure, choose synthetic weave — usually a UV-stabilised polyethylene woven over an aluminium frame. It shrugs off rain and frost, does not fade as quickly as cheaper alternatives, and is far lighter than timber.
Two things let woven sets down. The first is the frame beneath: aluminium will not rust, but untreated steel will. Check the specification or tap the frame to judge. The second is the cushions. Most woven furniture is sold with soft furnishings that are shower-resistant at best, not waterproof, so plan where they will go when the heavens open — a ventilated storage box or a spare corner of the shed.
Powder-Coated Metal: Sleek, Strong and Simple
Powder coating is a dry finish baked onto metal, and it produces a durable, even surface that resists chipping far better than paint. Aluminium is the ideal base because it cannot rust, making it perfect for bistro sets, dining tables and slim-framed chairs. Steel is stronger and cheaper, but once the coating is scratched, rust will take hold, so keep a matching touch-up pen to hand.
Metal furniture tends to be lighter than wood, which cuts both ways. It is easy to rearrange, but also easy for a gust to tip over on a windy patio. If your garden is exposed, look for heavier cast-aluminium pieces or add weighted bases to parasols and cantilever chairs.
Matching Pieces to Your Space and Storage
Before you buy, walk your outdoor space and answer three practical questions.
- How much room do you really have? Allow at least 75cm of clear space around a dining table so chairs can be pushed back comfortably.
- Where will it live in winter? A folding bistro set suits a balcony; a six-seater dining set needs a shed, garage or a serious cover.
- How much moving can you manage? Stackable chairs and nesting tables save floorspace and backache.
If storage is tight, buy fewer, better pieces rather than a full suite — a sturdy bench, two good chairs and a well-made table will serve you better than a set you resent carrying each autumn.
Small Habits That Keep Furniture Going for Years
A little routine goes a long way. Fit rubber glides to metal and timber feet to protect decking and reduce noise. Check drain holes in table tops and planters so water cannot pool. Clean woven and metal surfaces with warm soapy water and a soft cloth, and never use a pressure washer on weave or teak.
Choose breathable covers rather than plastic sheeting, which traps condensation and encourages mould. Lift cushions indoors or into a dry box at the first sign of a wet spell, and bring delicate pieces under cover before the first hard frost. Do that, and a well-chosen set will reward you with a decade or more of lazy Sunday afternoons — whatever the forecast throws at it.
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