Wool carpets have a higher tog rating naturally than other fibers as do foam underlays over felts.
													
																	High tog rating carpet. 
									
	
		
	
																	If using underlay with underfloor heating you won t need anything above a total rating of 2 5 tog. 
																	Other considerations such as to the weight of the carpet should also be considered when buying. 
																	A low rating is perfect for use with under floor heating while a high rating means the carpet and underlay already offer good insulation and therefore isn t suitable for under floor heating. 
																	Underlays come with a tog rating the higher the tog the better the insulation. 
															
													
									
	
		
	
																	Both underlay and carpet carry a tog rating. 
																	Put simply the higher the tog rating the greater the insulation. 
																	The higher a material s tog rating the more effective it will be at retaining heat and the better it will be as an insulating material. 
																	Carpets with a lower tog rating are ideal for rooms with underfloor heating whereas higher tog ratings are better for typically colder areas. 
															
													
									
	
		
	
																	A tog rating indicates the effectiveness of a materials heat insulation. 
																	Every home is different so ask our experts in store to help you understand exactly what it is you need. 
																	A material with a high tog value would make an excellent winter coat as it would retain a large proportion of your body s heat while wearing it while a coat manufactured from a low tog rated material would be better suited for use in warmer seasons as it would allow a far greater amount of your body s heat to radiate away while being worn.