Best truck cap seal kit to buy in 2024

We spent many hours on research to finding truck cap seal kit, reading product features, product specifications for this guide. For those of you who wish to the best truck cap seal kit, you should not miss this article. truck cap seal kit coming in a variety of types but also different price range. The following is the top 10 truck cap seal kit by our suggestions:

Best truck cap seal kit

Product	Features	Editor's score	Go to site
	Super Cap Seal 20 FT (1 1/2" Width x 1/2" Height x 20' Length) EPDM Rubber		Go to amazon.com
	ESI Super Cap Seal XL 20 FT (2 1/8" Width x 1/2" Height x 20' Length) EPDM Rubber		Go to amazon.com
	ESI Super Cap Seal XL 23 FT (2 1/8" Width x 1/2" Height x 23' Length) EPDM Rubber		Go to amazon.com
	Frost King Available V447H Camper Mounting Tape 1-1/4-Inch by 3/16-Inch by 30-Feet, Grey		Go to amazon.com
	ESI Premium Cap Seal XL 20 FT (2" Width x .200" Height x 20' Length) EPDM Rubber		Go to amazon.com
	Super Cap Seal 23 FT (1 1/2" Width x 1/2" Height x 23' Length) EPDM Rubber		Go to amazon.com
	Extruded Solutions Super Cap Seal and 6 G-1 Clamps for Long Bed Pickup		Go to amazon.com
	ESI Front Rail Seal 6ft EPDM Rubber		Go to amazon.com
	Super Cap Seal XL 23ft (2 1/8" W x 1/2" H) and Ultimate Tailgate Seal with Taper Seal COMBO Pack		Go to amazon.com
	ESI Premium Cap Seal XL 23 FT (2" Width x .200" Height x 23' Length) EPDM Rubber		Go to amazon.com

1. Super Cap Seal 20 FT (1 1/2" Width x 1/2" Height x 20' Length) EPDM Rubber

Feature

20ft seal for mounting truck caps or camper shells that weigh 200 lbs or less. Fills all bed rail gaps.
Complete kit includes seal, butyl tape, alcohol pads and detailed instructions
High quality, long-lasting automotive grade EPDM rubber. Preferred by professional installers over PVC/foam seals.
Excellent compression set resistance for maximum service life and vibration absorption
No need to replace this seal every time your cap is removed.

Description

For truck caps that require more than 20ft of seal use Super Cap Seal 23ft (ASIN: B00C7VU9BA). Super moisture barrier double bulb seal prevents dust, fumes and water from invading the interior of a truck bed. Easily trims in half to fit trucks with smaller width front bed rails. NOTE: To determine if you need to use a Front Rail Seal 6ft (ASIN: B00C0WVV72) measure the difference in height from the truck's side bed rails (including, if any, bed rail caps) to the truck's front bed rail. If the height of the gap is .250" or less install Super Cap Seal only. If the height of the gap is from .251" to .487" install Front Rail Seal on the cap's front base rail and install Super Cap Seal 20ft on the cap's side base rails. If the height of the gap is extra large, from .488" to .875" install Super Cap Seal 20ft or 23ft on the cap's front and side base rails and install Front Rail Seal on the truck's front bed rail. OTHER QUALITY TRUCK CAP SEALS FROM EXTRUDED SOLUTIONS: Premium Cap Seal XL 23ft (ASIN: B00IPQR63A) measures 2" wide and fills small to medium bed rail gaps, for caps 200 lbs or less. Super Cap Seal XL 23ft (ASIN: B00JAMSLDM) measures 2 1/8" wide and is for trucks with extra wide bed rails, fills all bed rail gaps, for caps over 200 lbs. Ultra Cap Seal 23ft (ASIN: B00MPMBIZW) measures 1 1/2" wide and fills all bed rail gaps, for caps over 200 lbs. IMPORTANT: To completely seal out dust and water install an Ultimate Tailgate Seal with Taper Seal to the tailgate gap and sidewalls (ASIN: B00IPQWXZQ). Save and buy the COMBO Pack: Super Cap Seal 23ft and Ultimate Tailgate Seal with Taper Seal (ASIN: B00BQZMB5A). MADE IN USA

2. ESI Super Cap Seal XL 20 FT (2 1/8" Width x 1/2" Height x 20' Length) EPDM Rubber

Feature

20ft for mounting a truck cap or camper shell on a truck with extra wide bed rails and that weighs over 200 lbs.
Fills all bed rail gaps. Complete kit includes seal, butyl tape, alcohol pads and detailed instructions.
High quality, long-lasting automotive grade EPDM rubber. Preferred by professional installers over PVC/foam seals.
Excellent compression set resistance for maximum service life and vibration absorption
No need to replace this seal every time your cap is removed.

Description

For truck caps that require more than 20ft of seal use Super Cap Seal XL 23ft (ASIN: B00BNGBXOC). Easily trims to size to fit trucks with smaller width front bed rails. NOTE: To determine if you need to use a Front Rail Seal 6ft (ASIN: B00C0WVV72) measure the difference in height from the truck's side bed rails (including, if any, bed rail caps) to the truck's front bed rail. If the height of the gap is .250" or less install Super Cap Seal XL only. If the height of the gap is from .251" to .487" install Front Rail Seal on the cap's front base rail and install Super Cap Seal XL 20ft on the cap's side base rails. If the height of the gap is extra-large, from .488" to .875" install Super Cap Seal XL 20ft or 23ft on the cap's front and side base rails and install Front Rail Seal on the truck's front bed rail. OTHER QUALITY TRUCK CAP SEALS FROM EXTRUDED SOLUTIONS: Super Cap Seal 23ft (ASIN: B00C7VU9BA) measures 1 1/2" and fills all bed rail gaps, for caps 200 lbs or less. Premium Cap Seal XL 23ft (ASIN: B001PQR63A) measures 2" wide and fills small to medium bed rail gaps, for caps 200 lbs or less. Ultra Cap Seal 23ft (ASIN: B00MPMBIZW) measures 1 1/2" wide and fills all bed rail gaps, for caps over 200 lbs. IMPORTANT: To completely seal out dust and water install a patented Ultimate Tailgate Seal with Taper Seal to the tailgate gap and sidewalls (ASIN: B00IPQWXZQ). Save and buy the COMBO Pack: Super Cap Seal XL 23ft and Ultimate Tailgate Seal with Taper Seal (ASIN: B00BQZ4G3U). Made in USA

3. ESI Super Cap Seal XL 23 FT (2 1/8" Width x 1/2" Height x 23' Length) EPDM Rubber

Feature

2 1/8" width for mounting a truck cap or camper shell on a truck with extra wide bed rails and that weighs over 200 lbs. Fills all bed rail gaps.
Complete kit includes seal, butyl tape, alcohol pads and detailed instructions
High quality, long-lasting automotive grade EPDM rubber. Preferred by professional installers over PVC/foam seals.
Excellent compression set resistance for maximum service life and vibration absorption

Description

Easily trims to size to fit trucks with smaller width front bed rails. NOTE: To determine if you need to use a Front Rail Seal 6ft (ASIN: B00C0WVV72) measure the difference in height from the truck's side bed rails (including, if any, bed rail caps) to the truck's front bed rail. If the height of the gap is .250" or less install Super Cap Seal XL only. If the height of the gap is from .251" to .487" install Front Rail Seal on the cap's front base rail and install Super Cap Seal XL 20ft (ASIN: B00NCCNUJQ) on the cap's side base rails. If the height of the gap is extra-large, from .488" to .875" install Super Cap Seal XL 20ft or 23ft on the cap's front and side base rails and install Front Rail Seal on the truck's front bed rail. OTHER QUALITY TRUCK CAP SEALS FROM EXTRUDED SOLUTIONS: "Super Cap Seal 23ft" (ASIN: B00C7VU9BA) measures 1 1/2" wide and fills all bed rail gaps, for caps that weigh 200 lbs or less. "Premium Cap Seal XL 23ft" (ASIN: B001PQR63A) measures 2" wide and fills small to medium bed rail gaps, for caps 200 lbs or less. "Ultra Cap Seal 23ft" (ASIN: B00MPMBIZW) measures 1 1/2" wide and fills all bed rail gaps, for truck caps over 200 lbs. IMPORTANT: To completely seal out dust and water install an Ultimate Tailgate Seal with Taper Seal to the tailgate gap and sidewalls (ASIN: B00IPQWXZQ). Save and buy the COMBO Pack: Super Cap Seal XL 23ft and Ultimate Tailgate Seal with Taper Seal (ASIN: B00BQZ4G3U). Made in USA

4. Frost King Available V447H Camper Mounting Tape 1-1/4-Inch by 3/16-Inch by 30-Feet, Grey

Feature

The product is GRY Camper Foam Tape
Easy and simple use kit
The product is manufactured in USA
Effectively seals out drafts, dust and water
Cushions to help prevent vibrations and rattles
Can also be used as extra-wide weather-seal
Self-Stick
Closed Cell

Description

Frost King V447H Camper Mounting Tape 1-1/4-Inch by 3/16-Inch by 30-Feet, Grey

5. ESI Premium Cap Seal XL 20 FT (2" Width x .200" Height x 20' Length) EPDM Rubber

6. Super Cap Seal 23 FT (1 1/2" Width x 1/2" Height x 23' Length) EPDM Rubber

Feature

23ft for mounting truck caps and camper shells that weigh 200 lbs or less. Fills all bed rail gaps.
Complete kit includes seal, putty tape, alcohol pads and detailed instructions.
High quality, long-lasting automotive grade EPDM rubber. Preferred by professional installers over PVC/foam seals.
Excellent compression set resistance for maximum service life and vibration absorption
No need to replace this seal every time your cap is removed.

Description

For truck caps that require less than 23ft of seal use Super Cap Seal 20ft (ASIN: B00NCC0SY6). Super moisture barrier double bulb seal prevents dust, fumes and water from invading the interior of a truck bed. Easily trims in half to fit trucks with smaller width front bed rails. NOTE: To determine if you need to use a Front Rail Seal 6ft (ASIN: B00C0WVV72) measure the difference in height from the truck's side bed rails (including, if any, bed rail caps) to the truck's front bed rail. If the height of the gap is .250" or less install Super Cap Seal only. If the height of the gap is from .251" to .487" install Front Rail Seal on the cap's front base rail and install Super Cap Seal 20ft (ASIN: B00NCC0SY6) on the cap's side base rails. If the height of the gap is extra large, from .488" to .875" install Super Cap Seal 20ft or 23ft on the cap's front and side base rails and install Front Rail Seal on the truck's front bed rail. OTHER QUALITY TRUCK CAP SEALS FROM EXTRUDED SOLUTIONS: 2" wide Premium Cap Seal XL 23ft (ASIN: B00IPQR63A) fills small to medium bed rail gaps, for caps that weigh 200 lbs or less. 2 1/8" wide Super Cap Seal XL 23ft (ASIN: B00JAMSLDM) is for trucks with extra wide bed rails, fills all bed rail gaps, for caps over 200 lbs. 1 1/2" wide Ultra Cap Seal 23ft (ASIN: B00MPMBIZW) fills all bed rail gaps, for caps over 200 lbs. IMPORTANT: To completely seal out dust and water install an Ultimate Tailgate Seal with Taper Seal to the tailgate gap and sidewalls (ASIN: B00IPQWXZQ). Save and buy the COMBO Pack: Super Cap Seal 23ft and Ultimate Tailgate Seal with Taper Seal (ASIN: B00BQZMB5A). MADE IN USA

7. Extruded Solutions Super Cap Seal and 6 G-1 Clamps for Long Bed Pickup

Feature

One 23ft seal for mounting truck caps and camper shells that weigh 200 lbs or less and set of 6 quality G-1 Clamps for long bed.
High quality, long-lasting automotive grade EPDM rubber seal and 4 GCI G-1 Clamps made with structural aluminum to ensure quality and strength. GCI clamps are "Stronger by Design."
Fits CHEVY: Silverado / Sierra 1500, 2500, 3500. Silverado / Sierra '07 with Cargo Rail. DODGE: Dakota. Ram 1500, 2500, 3500. FORD: F150. MITSUBISHI: Raider. NISSAN: Titan. TOYOTA: Tundra.
Made in the U.S.A.
NOTE: Use G-30 Clamp to fit CHEVY: Colorado, S-10, Sonoma. FORD: Ranger. GMC: Canyon. NISSAN: Frontier, Frontier '05 and newer w/Cargo Rail. TOYOTA: Tacoma. View 4 pack ASIN: B071G8NS3B. NOTE: Use G-991 Clamp to fit F Series Super Duty, view 4 pack ASIN: B01MSTGN4K. COMBO packs not available.

Description

Super moisture barrier double bulb seal prevents dust, fumes and water from invading the interior of a truck bed. Easily trims in half to fit trucks with smaller width front bed rails. NOTE: To determine if you need to use a Front Rail Seal 6ft (ASIN: B00C0WVV72) measure the difference in height from the truck's side bed rails (including, if any, bed rail caps) to the truck's front bed rail. If the height of the gap is .250" or less install Super Cap Seal only. If the height of the gap is from .251" to .487" install Front Rail Seal on the cap's front base rail and install Super Cap Seal on the cap's side base rails. If the height of the gap is extra large, from .488" to .875" install Super Cap Seal on the cap's front and side base rails and install Front Rail Seal on the truck's front bed rail. OTHER QUALITY TRUCK CAP SEALS FROM ESI: 1 1/2" wide Ultra Cap Seal 23ft (ASIN: B00MPMBIZW) fills all bed rail gaps, for caps over 200 lbs. IMPORTANT: To completely seal out dust, fumes and water install an Ultimate Tailgate Seal with Taper Seal to the tailgate gap and sidewalls (ASIN: B00IPQWXZQ). MADE IN USA

8. ESI Front Rail Seal 6ft EPDM Rubber

Feature

Fills a height gap of .251" to .487" from the sidewalls to the front rail when mounting a truck cap or camper shell
If height of the gap is .250" or less, just install one ESI high quality EPDM rubber truck cap seal on all 3 rails (see product description)
If height of the gap is extra large, from .488" to .937" install Front Rail Seal XL (ASIN: B07147Y43J)
Preferred by professional installers over PVC/foam seals
No need to replace this seal every time your cap is removed.

Description

To determine if you need a Front Rail Seal measure the difference in height from the truck's side bed rails (including, if any, bed rail caps) to the truck's front bed rail. For the cap's side base rails (when using a Front Rail Seal) install one of ESI's high quality 20ft truck cap seals (see choices below). To seal the cap's front and side base rails (not using a Front Rail Seal) install one of the following 20ft or 23ft length truck cap seals: 1 1/2" wide Super Cap Seal 23ft (ASIN: B00C7VU9BA) or Super Cap Seal 20ft (ASIN: B00NCC0SY6) fills all bed rail gaps, use on truck caps that weigh 200 lbs or less. 2" wide Premium Cap Seal XL 23ft (ASIN: B00IPQR63A) or Premium Cap Seal XL 20ft (ASIN: B00NCCX6C2) fills small to medium bed rail gaps, use on truck caps that weigh 200 lbs or less. 2 1/8" wide Super Cap Seal XL 23ft (ASIN: B00BNGBXOC) or Super Cap Seal XL 20ft (ASIN: B00NCCNUJQ) for trucks with extra wide bed rails, fills all bed rail gaps and for caps over 200 lbs. 1 1/2" wide Ultra Cap Seal 23ft (ASIN: B00MPMBIZW) or Ultra Cap Seal 20ft (ASIN: B00NCCDXJ8) fills all bed rail gaps, for caps over 200 lbs. IMPORTANT: To completely seal out dust and water that enter in through the tailgate gap and sidewalls, install a patented Ultimate Tailgate Seal with Taper Seal (ASIN: B00IPQWXZQ). MADE IN USA

9. Super Cap Seal XL 23ft (2 1/8" W x 1/2" H) and Ultimate Tailgate Seal with Taper Seal COMBO Pack

Feature

COMBO Pack saves 25%. Complete pack includes 2 seals, putty tape, alcohol pads and detailed instructions.
23ft for mounting truck caps or camper shells on trucks with extra wide bed rails and that weigh over 200 lbs. Fills all bed rail gaps. Includes 10ft Ultimate Tailgate Seal with Taper Seal for the tailgate gap and sidewalls.
High quality, long-lasting EPDM rubber seals. Preferred by professional installers over PVC/foam seals.
Excellent compression set resistance for maximum service life and vibration absorption
No need to replace these seals every time your cap is removed.

Description

Super Cap Seal XL easily trims to size to fit trucks with smaller width front bed rails. NOTE: To determine if you need to use a Front Rail Seal 6ft (ASIN: B00C0WVV72) measure the difference in height from the truck's side bed rails (including, if any, bed rail caps) to the truck's front bed rail. If the height of the gap is .250" or less install Super Cap Seal XL only. If the height of the gap is from .251" to .487" install Front Rail Seal on the cap's front base rail and install Super Cap Seal XL 20ft (ASIN: B00NCCNUJQ) on the cap's side base rails. If the height of the gap is extra-large, from .488" to .875" install Super Cap Seal XL 20ft or 23ft on the cap's front and side base rails and install Front Rail Seal on the truck's front bed rail. Ultimate Tailgate Seal with Taper Seal installs to the tailgate gap and sidewalls using 3M ST1200 tape. OTHER QUALITY TRUCK CAP SEALS FROM ESI: 1 1/2" wide "Super Cap Seal 23ft and Ultimate Tailgate Seal with Taper Seal" fills all bed rail gaps, use on truck caps that weigh 200 lbs or less, COMBO Pack (ASIN: B00BQZMB5A). 2" wide "Premium Cap Seal XL 23ft and Ultimate Tailgate Seal with Taper Seal" fills small to medium bed rail gaps, use on truck caps that weigh 200 lbs or less, COMBO Pack (ASIN: B00IPR7JRM). 1 1/2" wide "Ultra Cap Seal 23ft and Ultimate Tailgate Seal with Taper Seal" COMBO Pack (ASIN: B00N1B49WK) fills all bed rail gaps, for truck caps over 200 lbs. MADE IN USA

10. ESI Premium Cap Seal XL 23 FT (2" Width x .200" Height x 23' Length) EPDM Rubber

Conclusion

By our suggestions above, we hope that you can found the best truck cap seal kit for you. Please don't forget to share your experience by comment in this post. Thank you!