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Sea Kayak Hatch Covers
Available now
The range of award winning Hydrosil 250 hatch covers are premium quality watertight sea kayak hatch covers that are easy to use. Hydrosil 250 is UV resistant and will perform in extreme temperature ranges therefore it will remain flexible even at sub zero temperatures. 
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The hatches are a result of many years of research and development by the WW team from Whetman Equipment.
Hydosil 250 contains absolutely NO microplastics and NO petrochemicals.
The material is inert and non toxic

And there are colours!!!!
​Black, Red, Blue, Green, Orange , Yellow


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The benefits of our hatches apart from bright colours are that they are easy to put on and waterproof in any outdoor conditions. They are temperature stable and so remain in the same firm flexible state at room temperature and on a hot summer day will remain the same therefore will not become too soft; equally the covers have the same state of flexibility in freezing conditions and will not become too hard & stiff to use.

Hatch Sizes
15cm =     small front sweet hatch
20cm  =    8 inch day hatch
24cm  =    10 inch hatch
44/26 =    small oval
42/30 =    wide oval
41/22 =    narrow oval
​Emergency Hatch Set = hi-tensile & flexible. Covers fit ALL sizes of hatches

SIZE - refers to the internal measurements of the hatch rim itself.


Will the WW hatch cover fit my kayak?
First step is to measure the internal diameter of the round hatch rim or length and width of the oval rim and see if it matches the number on the hatch cover. If the hatch rim is made of ABS then our hatch will fit.
If you have a PE kayak then contact us for advice.
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What kayaks will these hatches fit?
The hatches have been designed to fit the majority of composite sea kayaks. They will fit some of the PE sea kayaks and PE touring kayaks.
The 15cm,  20cm (8inch day hatch), 24cm (10 inch) will fit all composite boats from NDK, Valley, Lettmann, Rockpool, Tiderace, Rebel, Kirton, Norse, P&H, Northshore, Bigpond, Zegul
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Notice grip detail for cold hands and underside fix points for a small cargo net featured on all the sizes except the 15cm. Holes will take a 3mm shockcord.
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Each oval has four tie points on the outer.                                           Emergency hatch set for group leaders
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Emergency Hatch Set. 33 x 18cm. 420g. Fits all hatches.
 Hatch Cover Safety Info
Hydrosil 250 waterproof hatch cover
To use push firmly onto rim
check edge of hatch is firmly under the rim.
UV stable, Temperature stable
No Microplastics
Non toxic
Check correct size before using
For security use a leash to tie to kayak
Check for damage and wear.
Only use for intended purpose
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