Home » Spider Killer Powders

Spider Killer Powders

Reduce spider activity with our Spider Killer Powders, designed for targeted DIY use in cracks, crevices and undisturbed areas where spiders hide and travel. This range includes both insecticide dusts and pesticide-free spider control powders, offering longer-lasting control when applied to entry points, corners, lofts, basements and around door thresholds (or as directed). Apply a light, targeted amount, keep treatments dry and in place for best performance, and always follow the label—keeping children and pets away until areas are secure/safe.

Filter products
The highest price is £7.99
£
£
Match all
Clear all

1 Product

Popular collections

Spider

Spider Control Products

Shop now
Natural Insecticide Organisect 500ml

Spider Killer Sprays

Shop now
Eradi-Trap Insect Monitoring trap

Spider Bait Traps

Shop now
Pest-Stop Indoor Pest Repeller – One Room main

Electronic & Ultrasonic Spider Repellers

Shop now
Crawling insects and spiders

Crawling Insect Control Products

Shop now

Guides

Blog

Expert Guide

How to get rid of spiders yourself

Read more
Blog

Tips & Tricks

10 tips on how to keep spiders out of your home

Read more

Popular products

Diatomaceous Earth (Food Grade) - Natural Pest Control for Insects, Snails & Slugs - Front Diatomaceous Earth (Food Grade) - Natural Pest Control for Insects, Snails & Slugs - In Use
Sale

Diatomaceous Earth Powder – Natural Residual Control, Insect & Slug Killer – 500g

In stock
(0)
£7.99
£10.99 £7.99
Eradi-Trap Insect Monitoring trap Eradi-Trap Insect Monitoring trap features

Eradi-Trap Insect Monitoring Traps – Ready-to-Use, Non-Toxic – 3 Pack

In stock
(1)
£2.99
Natural Insecticide Organisect 500ml

Organisect Insect Killer Spray – Fast Knockdown, Non-Toxic – 500ml

In stock
(0)
£12.99
15 x Eradi-Trap Pre-baited Non-Toxic Insect Monitoring Trap (5 x 3 Pack) Eradi-Trap Insect Monitoring trap features

Eradi-Trap Insect Monitoring Traps – Ready-to-Use, Non-Toxic – 15 Pack

In stock
(0)
£10.99
Pest-Stop Indoor Pest Repeller – One Room main Pest-Stop Indoor Pest Repeller – One Room with box
Sale

Pest-Stop Pest Repeller For One Room – Rodents, Crawling Insects

Only 1 left
(0)
£15.99
£19.99 £15.99
Pest-Stop Pest Repeller For Large House – Rodents, Crawling Insects - Main Pest-Stop Pest Repeller For Large House – Rodents, Crawling Insects - Box
Sale

Pest-Stop Pest Repeller For Large House – Rodents, Crawling Insects

Only 1 left
(0)
£31.99
£34.99 £31.99
Cimetrol Super RFU Insect Spray – Mattress-Safe Insect, Bed Bug & Flea Killer – 300ml

Cimetrol Super RFU Insect Spray – Fast Knockdown + IGR for Bed Bugs/Fleas – 300ml

Only 1 left
(0)
£19.99
Eradisect Cyper RTU Insect Spray – Fast Knock-Down Control – 1L

Eradisect Cyper RTU Insect Spray – Fast Knockdown, Residual Control – 1L

Only 1 left
(0)
£13.99
Pest-Stop Indoor Pest Repeller – Small Room main Pest-Stop Indoor Pest Repeller – Small Room in box
Sale

Pest-Stop Pest Repeller For Small House – Rodents, Crawling Insects

Only 3 left
(0)
£21.49
£29.99 £21.49

FAQs: Spider Killer Powders

They work by damaging the spider’s outer shell, leading to dehydration. It’s a physical, non-chemical method of pest control.

Apply in corners, behind furniture, near entry points, basements, and lofts—anywhere spiders may hide or enter.

Yes, non-toxic options like diatomaceous earth are safe when used as directed. Keep the powder dry and avoid inhalation.

Reapply after vacuuming, cleaning, rain exposure, or when activity persists. Consistent use helps eliminate infestations over time.

Customers are saying

4.88 ★ (16)
Verified