Spider Proofing Your Shed –Yes It Can Be Done

According to a recent survey, 32% of all females and 18% of males in the UK are scared of spiders. Not as many as you might think, eh?!

Here at Garden Buildings Direct, our sheds are so great that even spiders love them. Whether it’s a wooden shed, a plastic shed or a metal shed, rest assured that our old spider friends will find a way in – if we don’t take steps to prevent it.

We’re no stranger to the query ‘how do I keep spiders out of my shed?’, so we’ve put together this handy guide as to how to spider-proof your shed, once and for all.

a spider webs on a background sky

Step 1 – No Shed Gaps 

Your first port of call when dealing with spiders-in-the-shed may seem obvious – plugging any gaps. Stopping spiders getting into a garden shed is easier than trying to get them out.

If your wooden shed is brand new, you’re less likely to find gaps. Older models, however, may have wood that’s worn away and cracked a bit – perfect for our eight-legged friends. Start by making sure that all the joints are silicone sealed to ensure there are no gaps for spiders to crawl through. If you have an older shed it ma be a case of simply going back over previous joints and giving them an extra boost.

You could go a step further and insulate your shed. Shed insulation provides better regulation of heat, as well as an extra level of resistance against spiders and other creepy crawlies.

close-up of a windowsill with spiderweb

Step 2 – Secure all windows and doors 

Garden sheds are a hotbed of arachnid activity. Stopping spiders from entering through the windows and doors is arguably the hardest job, as the flexibility of the pesky dark-dwellers means they can squeeze through almost any gap. That being said, it can be done. You can use a draft seal, which will barricade all the potential entrances and stop any of the pesky fly hunters getting in. It’ll keep the shed a bit warmer during the cooler months, too!

Step 3 – Use spider repellent lining paper 

Lining paper is perfect for sealing up cracks and gaps, and is especially handy when it comes to keeping out spiders, as it provides a solid blockade against any potential invaders. You’ll be able to see any rips in the paper really easily, and it’s cheap as well, so you can replace it whenever necessary. Spraying it with repellent may also help the cause.

Spider webs with morning dew on beech trees.

Step 4 – Paint your shed in spider repelling colours  

Apparently, spiders ‘don’t like’ the colour blue. The origins of this claim are disputed, but research has found that spiders do react to colour in some manner. While humans can see in red, green and blue hues, spiders only see in the green wavelength – rendering them almost colourblind. Maybe there is some fact in the idea that painting the outside of your shed sky blue will ward off the furry friends. You’ll have to try it yourself!

Step 5 – Heavy-duty roofing felt  

You’re nearly an expert on spider-proofing a shed. Our fifth step for a perfect spider-proof shed is the installation of felt.

You’ve probably got some felt on your shed roof already, but heavy-duty polyester backed felt provides the best protection and is ideal for getting rid of spiders. The weight and thickness of the felt means that even with hours of searching for the right nook or cranny to scuttle through, no spider is getting into that shed!

With the added bonus of extra protection against the elements, heavy-duty roofing felt is a must-have if you’re looking for a spider-free shed.

spider web home

Step 6 – Scented oils

One theory with a tad more evidence in it’s favour is that to say that peppermint oils, and other naturally-occurring oils, act as a repellent to spiders and other beastly bugs.

You can find peppermint oil for next to nothing on sites like Amazon. Fill a spray bottle with a few drops of peppermint oil (no more than five), a splash of soap and a lot of water. Spray generously around the areas you think the spiders are most accustomed to spending time in. Then watch your custom spider repellent work it’s magic! Don’t worry, it won’t kill the spiders – it’ll just ward them off.

Refresh the shed with a new round of oil spray around once a week, or every few days if the spiders don’t seem to leaving you alone. Citrus oils, including lemon oil, have also been rumoured to have a similar effect, so it might be worth trying them out too.

Step 7 – Setting up a decoy

One method for preventing bug infestation in a garden shed is the use of a decoy. We also referred to this method in our article on shed bug-proofing.

By setting up a similarly dark, indoor space nearby the shed, you can passively usher some of the spiders away from the garden shed. Whether it’s an old shoebox with holes in, a disused water butt or an ancient wendy house, it gives the spiders the privilege of having two outdoor homes to choose from. Hopefully, they’ll set up camp in the other one!

Make sure the decoy is dark and damp – perfect for all kinds of little creatures.

Step 8 – Utilising a Slippery Surface

On occasion, it can seem like however hard you try, spiders will always have the upper hand.

But there is one thing that spiders can never seem to grasp – how to climb up a slippery surface. Think about it – why do we get so many spiders stuck in our bathtubs? Because they can’t climb out – that’s why. Spiders, unlike some leggy insects, don’t have the capabilities to clamber on greasy surfaces.

So consider greasing the bottom edge of your shed to make it more difficult for the creepies to crawl on – and they might give up altogether!

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