Call Ridgemoor Now

(616) 532-0782

Sonolastic Clear 25 (MasterSeal NP 125)

Part of the Sonolastic (MasterSeal) series

Sonolastic® Clear 25™

is a one component, clear, high-performance, non-priming, gun-grade, thermoplastic adhesive and sealant. It requires no mixing and bonds tenaciously to common roofing materials, including concrete and clay roof tiles, metal flashings and masonry.



  • Between adjacent layers of roof rile

  • Sealing edge and ridge tiles

  • Penetration seals

  • Flashings

  • Skylight frames

  • Termination bars and reglets

  • Parapet expansion joints

  • Lap seals in metal roof assemblies


  • Residential

  • Commercial

  • Sheet roofing

  • Liquid applied roofs

  • Metal roofs

  • Shingled and tiled roofs


  • Clay Tile

  • Concrete

  • Masonry

  • Aluminum

  • Wood

  • Vinyl

Related Products

Product Description

Products in this Series

Product Description
NP 2/SL 2 Color Pack (MasterSeal 900) Sonolastic NP 2 Color Pack is a product used for tinting Sonolastic multi-component sealants.
NP2/SL2 Accelerator (MasterSeal 905) Sonolastic NP 2 Accelerator is a product used in Sonolastic Multi-component sealants.
Primer 733/766 (MasterSeal P 173/176) SONOLASTIC® PRIMER 733 AND PRIMER 766 Primers for Sonolastic® sealants.
SL 2 Self Leveling/ Slope Grade (MasterSeal SL 2) SONOLASTIC® SL 2™ Multi-component self-leveling polyurethane sealant.
Sonolastic 150 VLM (MasterSeal NP 150) SONOLASTIC® 150 with VLM Technology Very low-modulus, nonsag, elastomeric, silyl-terminated polyether (hybrid) sealant.
Sonolastic Clear 25 (MasterSeal NP 125) SONOLASTIC® CLEAR 25™ One-component, clear, elastomeric, gun-grade thermoplastic roofing sealant and tile adhesive.
Sonolastic NP 1 (MasterSeal NP 1) MasterSeal® NP 1™ is a one-component, high-performance, non-priming, gun-grade, elastomeric polyurethane sealant manufactured by BASF.
Sonolastic NP 2 (MasterSeal NP 2) SONOLASTIC® NP 2™ Multiple-component high-performance polyurethane sealant.
Sonolastic Primer 770 (MasterSeal P 220) Sonolastic Primer 770 is a primer used with the Sonoguard Traffic Coating System.
Sonolastic Primer 772 (MasterSeal P 222) Sonolastic Primer 772 is a primer used with the Sonoguard Traffic Coating Systems
Sonolastic SL 1 (MasterSeal SL 1) SONOLASTIC® SL 1™ is a One-component elastomeric, self-leveling polyurethane sealant.
Sonolastic TX-1 (MasterSeal TX 1) SONOLASTIC® TX 1 One-component, texturized, moisture-curing, gun-grade elastomeric polyurethane sealant