Our ongoing legal battle to ensure real competition in the market for calsil continues
Our ongoing legal battle to ensure real competition in the market for calsil continues Our ongoing legal battle to ensure real competition in the market for calsil continues. https://www.justice.gov/atr/case-document/file/1542526/download May 14, 2023
Reconsidering Calcium Silicate Pipe and Block Industrial Insulation

Reconsidering Calcium Silicate Pipe and Block Industrial Insulation The President of TPS, David Shong, recently published a technical paper for an ASTM International Symposium called STP1629 “Performance, Properties, and Resilience of Thermal Insulations” sponsored by the C16 subcommittee. The symposium featured “nine peer-reviewed papers with state-of-the-art knowledge on topics related to performance resiliency of thermal […]
Expanded Perlite (EP-12) Product Launch Announcement
Expanded Perlite (EP-12) Product Launch Announcement TPS is proud to announce a new product line has been added to our offerings! Introducing TPS EP-12™ expanded perlite pipe and block insulation. We have observed a marked increase in material specifications calling for expanded perlite per ASTM C610 around North America due to its historical success in […]
Colorado Federal Court Confirms Bona Law’s Client, Thermal Pipe Shields, has Sufficiently Alleged Federal Antitrust and False Advertising Claims Against Johns Manville
Colorado Federal Court Confirms Bona Law’s Client, Thermal Pipe Shields, has Sufficiently Alleged Federal Antitrust and False Advertising Claims Against Johns Manville Read more September 8, 2020
Stanwood TPSX-12 size offerings
Stanwood TPSX-12 size offerings In order to support our customers with quick turnaround orders, TPS invests heavily in stocking our game changing filter pressed, water resistant TPSX-12® calcium silicate. Here are the sizes of calsil we stock at our location north of Seattle in Stanwood, Washington: Copper tubing sizes (CTS) 1, 1.5 and 2” wall […]
Phenolic Foam Exclusivity Agreement Announcement
Phenolic Foam Exclusivity Agreement Announcement Thermal Pipe Shields and Fujian Tenlead Advanced Material CO (Tenlead) have recently reached an exclusivity agreement naming Thermal Pipe Shields to be the sole North American distributor. Tenlead agrees to ensure that all materials are manufactured in accordance with ASTM C1126 type III and ASTM C5858 sizing requirements. This formal […]
TPSX-12 Calsil Insulation Size Offerings (Includes COPPER Tubing Sizes)
TPSX-12 Calsil Insulation Size Offerings (Includes COPPER Tubing Sizes) Our motto is TPSX-12 is calsil, only better…. One of the many reasons is the unprecedented offering of different sizes of filter pressed calsil insulation pipe cover and block. In addition to our vast assortment of International Pipe Standard (IPS) and heat traced pipe sizes, we […]
TPSX-12 Now Available From Our Las Vegas Warehouse
TPSX-12 Now Available From Our Las Vegas Warehouse Our motto is TPSX-12 is calsil, only better…. Thermal Pipe Shields just completed a major investment to increase the storage capacity of our Las Vegas warehouse. We now stock 87 different sizes of TPSX-12 calsil pipe and block insulation. This will allow us to better support our […]
Made in China Calsil Insulation Historically Sold Under U.S. Brand Name & Now Available Again Branded As TPSX-12
Made in China Calsil Insulation Historically Sold Under U.S. Brand Name & Now Available Again Branded As TPSX-12 Many people are unaware the historical sole source monopoly calsil supplier in the United States made a formal joint venture (JV) with a Shanghai calsil factory. The name of the Chinese factory at the time of the […]
U.S. Third Party Laboratories Confirm TPSX-12 Meets/Exceeds ASTM C533 Type I Specifications
U.S. Third Party Laboratories Confirm TPSX-12 Meets/Exceeds ASTM C533 Type I Specifications Thermal Pipe Shields, Inc. believes in the Russian maxim quoted by President Ronald Reagan. “Trust, but verify.” https://www.youtube.com/watch?v=As6y5eI01XE We have 12 years of experience using BEC factory produced calsil insulation for our insulated pipe supports and always felt it was the best type […]